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Question 1Yoga Philosophy, History, and Ethics
In Patanjali's Yoga Sutras, what does the term 'chitta vritti' most directly refer to?
- The fluctuations or turnings of the mind-stuff Correct answer.
- The physical postures practiced for flexibility
- The ethical vows taken before teaching
- The breath-retention techniques of pranayama
Explanation
Patanjali opens the Yoga Sutras by defining yoga as the stilling of chitta vritti, meaning the modifications or fluctuations of the mind. The other terms belong to different limbs of practice and are not what this phrase denotes.
Question 2Yoga Philosophy, History, and Ethics
The eight limbs (ashtanga) of classical yoga are traditionally grouped so that the first five are called the outer limbs and the last three the inner limbs. Which set correctly names the three inner limbs?
- Pranayama, pratyahara, dharana
- Dharana, dhyana, samadhi Correct answer.
- Asana, pranayama, pratyahara
- Yama, niyama, asana
Explanation
The inner limbs are concentration (dharana), meditation (dhyana), and absorption (samadhi), which together form samyama. The first five limbs are considered outer or preparatory practices.
Question 3Yoga Philosophy, History, and Ethics
A student asks which yama specifically counsels not taking what has not been freely given. Which yama is being described?
- Brahmacharya
- Aparigraha
- Asteya Correct answer.
- Satya
Explanation
Asteya is the restraint of stealing, understood as not taking what has not been offered. Satya concerns truthfulness and aparigraha concerns non-possessiveness, so they address different ethical commitments.
Question 4Yoga Philosophy, History, and Ethics
Which text is the classical source of the eight-limbed yoga path and the definition of yoga as stilling the mind?
- The Yoga Sutras of Patanjali Correct answer.
- The Upanishads
- The Bhagavad Gita
- The Hatha Yoga Pradipika
Explanation
The Yoga Sutras of Patanjali present the eight limbs and the well-known definition of yoga as the cessation of mental fluctuations. The other works are important but do not organize the path in this systematic way.
Question 5Yoga Philosophy, History, and Ethics
The term 'hatha' in hatha yoga is commonly interpreted through its two syllables. Which interpretation is most widely cited?
- Ha meaning sun and tha meaning moon, suggesting balance of opposing energies Correct answer.
- Ha meaning breath and tha meaning posture
- Ha meaning body and tha meaning mind, suggesting their separation
- Ha meaning teacher and tha meaning student
Explanation
Hatha is often glossed as ha (sun) and tha (moon), symbolizing the balancing of solar and lunar, or heating and cooling, energies. This interpretation is frequently used to explain the goal of harmonizing opposites.
Question 6Yoga Philosophy, History, and Ethics
A teacher wants to honor the ethical principle of ahimsa in adjusting a student with an old back injury. Which action best expresses ahimsa?
- Skipping the student entirely so no adjustment is given
- Pressing the student deeper into the pose to build tolerance
- Encouraging the student to compete with classmates
- Offering a gentler variation and asking about comfort and limits Correct answer.
Explanation
Ahimsa is non-harming, and applying it means respecting the student's body and inviting consent rather than forcing progress. Offering a gentler option with a check-in reduces risk and honors the principle.
Question 7Yoga Philosophy, History, and Ethics
In the Yoga Sutras, which pair of practices is described as the foundation for stilling the mind, often translated as practice and non-attachment?
- Tapas and svadhyaya
- Asana and pranayama
- Abhyasa and vairagya Correct answer.
- Dhyana and samadhi
Explanation
Patanjali pairs sustained practice (abhyasa) with non-attachment (vairagya) as the means to quiet the mind. The other pairs are either niyamas or later limbs and do not form this foundational duo.
Question 8Yoga Philosophy, History, and Ethics
Which of the following best describes the niyama of santosha?
- Self-study and reflection
- Surrender to a higher principle
- Austerity and discipline
- Contentment with what is present Correct answer.
Explanation
Santosha means contentment, the practice of meeting circumstances without craving more. Austerity is tapas, self-study is svadhyaya, and surrender is ishvara pranidhana.
Question 9Yoga Philosophy, History, and Ethics
A studio owner is deciding how to describe a class schedule. Which choice reflects the yama of satya while still being skillful?
- Advertising the class as suitable for everyone regardless of experience
- Describing honestly what level the class serves and its likely demands Correct answer.
- Omitting any description so students cannot misjudge it
- Promising rapid physical results to attract sign-ups
Explanation
Satya is truthfulness, so accurate, clear description of a class's level and demands is the honest approach. Exaggerated claims or vague silence both mislead students in different ways.
Question 10Yoga Philosophy, History, and Ethics
The Bhagavad Gita presents several paths to liberation. Which term names the path of selfless action performed without attachment to results?
- Karma yoga Correct answer.
- Jnana yoga
- Bhakti yoga
- Raja yoga
Explanation
Karma yoga is the path of action done without clinging to outcomes, a central teaching of the Gita. Bhakti is devotion, jnana is knowledge, and raja yoga is the royal eight-limbed path.
Question 11Yoga Philosophy, History, and Ethics
Which classical text is best known for describing the kundalini and the chakra system alongside hatha techniques?
- The Yoga Sutras of Patanjali
- The Hatha Yoga Pradipika Correct answer.
- The Yoga Yajnavalkya
- The Samkhya Karika
Explanation
The Hatha Yoga Pradipika is a foundational hatha manual that discusses the subtle body, kundalini, and chakras along with physical techniques. The Yoga Sutras are more concise and philosophical on these topics.
Question 12Yoga Philosophy, History, and Ethics
In the context of the eight limbs, what does pratyahara most directly involve?
- Absorbing the mind into the object until subject and object merge
- Withdrawing the senses from external objects Correct answer.
- Sustaining effortless attention on an object
- Concentrating on a single point
Explanation
Pratyahara is the withdrawal of the senses, turning attention inward so the mind is less pulled by external stimuli. Concentration is dharana, sustained attention is dhyana, and absorption is samadhi.
Question 13Yoga Philosophy, History, and Ethics
A teacher plans a class that opens with a brief grounding, moves through postures, and ends with a short meditation. Which framing best reflects classical yoga ethics about the purpose of practice?
- The class should avoid any seated practice to save time.
- The class should emphasize competition to motivate students.
- The class should support steady attention and calm as its underlying aim. Correct answer.
- The class should aim to maximize physical exertion regardless of the mental state.
Explanation
Classical yoga frames practice as supporting steadiness of mind and freedom from disturbance, not merely physical output. A grounding opening and meditative close align with that broader aim.
Question 14Yoga Philosophy, History, and Ethics
Which teaching is commonly attributed to the Yoga Sutras regarding the obstacles on the path?
- The nine obstacles, including doubt and laziness, are named in the first chapter. Correct answer.
- Obstacles are never mentioned in the text.
- Obstacles are described as permanent and unavoidable.
- Obstacles are said to arise only from poor physical flexibility.
Explanation
The first chapter of the Yoga Sutras lists nine obstacles, such as doubt, laziness, and illness, that distract the mind. The text treats them as conditions to recognize and work with, not as permanent or purely physical.
Question 15Yoga Philosophy, History, and Ethics
What does the term 'isvara pranidhana' most accurately describe among the niyamas?
- Non-violence in action
- Devoted surrender to a supreme principle Correct answer.
- Study of sacred texts
- Physical cleansing practices
Explanation
Isvara pranidhana is surrender or devotion to a supreme principle, one of the five niyamas. Cleansing practices are saucha, text study is svadhyaya, and non-violence is ahimsa.
Question 16Yoga Philosophy, History, and Ethics
A student asks why some traditions emphasize a teacher's role in transmitting yoga. Which historical idea best explains this emphasis?
- Yoga was primarily a competitive sport in ancient India.
- Yoga had no recognized lineage or transmission.
- Yoga was designed to be learned only from books.
- Yoga was traditionally passed through an oral teacher-student relationship. Correct answer.
Explanation
Historically, yoga was transmitted through a personal teacher-student relationship, often in an oral tradition. This lineage-based model explains the traditional respect for teachers and direct guidance.
Question 17Yoga Philosophy, History, and Ethics
Which choice best reflects the ethical principle of aparigraha for a yoga teacher?
- Avoiding greed and unnecessary accumulation in teaching and life Correct answer.
- Charging the highest possible rate to signal quality
- Accumulating as many certifications as possible to appear authoritative
- Refusing to share knowledge with other teachers
Explanation
Aparigraha is non-greed or non-possessiveness, encouraging freedom from unnecessary accumulation. Applying it means teaching with generosity and restraint rather than chasing status or maximum gain.
Question 18Yoga Philosophy, History, and Ethics
What is the traditional meaning of 'asana' in Patanjali's Yoga Sutras?
- A stable and comfortable seat Correct answer.
- A vigorous sequence of postures
- A dietary restriction
- A breathing exercise
Explanation
Patanjali defines asana as a steady and comfortable seat, emphasizing steadiness and ease. The elaborate postural sequences of modern practice developed later in hatha traditions.
Question 19Yoga Philosophy, History, and Ethics
A teacher is asked to explain why ahimsa is often placed first among the yamas. Which reasoning is most consistent with classical ethics?
- It is optional and can be replaced by any other yama.
- It underpins the other ethical restraints by requiring non-harm in thought and action. Correct answer.
- It applies only to physical actions and not to speech.
- It is the most difficult yama to practice.
Explanation
Ahimsa is often treated as foundational because non-harming underlies the other yamas, guiding speech, thought, and action. It is not merely physical and is not optional in the classical framework.
Question 20Yoga Philosophy, History, and Ethics
Which statement best captures the relationship between Samkhya philosophy and classical yoga?
- Samkhya provides a metaphysical framework of purusha and prakriti that yoga practice works within. Correct answer.
- Samkhya is a purely physical exercise system.
- Samkhya rejects all forms of meditation.
- Samkhya denies the existence of the mind.
Explanation
Samkhya offers a dualistic framework of consciousness (purusha) and nature (prakriti), and classical yoga is often paired with it. Yoga supplies the practical discipline for discerning these principles.
Question 21Yoga Philosophy, History, and Ethics
A teacher wants to introduce the concept of 'dharma' to students. Which description is most accurate in the context of yoga ethics?
- Dharma refers to physical flexibility.
- Dharma refers to the breath-retention count.
- Dharma refers to the number of students in a class.
- Dharma refers to one's duty or right action according to one's role and circumstances. Correct answer.
Explanation
Dharma is generally understood as duty, right action, or the ethical order appropriate to one's situation. In yoga ethics it frames how one acts responsibly in relationships and roles.
Question 22Yoga Philosophy, History, and Ethics
Which of these best describes the traditional role of the yamas and niyamas relative to the later limbs?
- They are optional preliminaries that can be skipped.
- They are ethical foundations that support the later limbs. Correct answer.
- They are advanced attainments reached only after samadhi.
- They replace the need for meditation.
Explanation
The yamas and niyamas are the first two limbs and serve as ethical foundations for the practices that follow. They are not optional extras, nor do they replace meditation.
Question 23Yoga Philosophy, History, and Ethics
A teacher is deciding how to handle a student who repeatedly ignores safety cues. Which response best reflects the ethical tension between ahimsa and satya?
- Remove the student immediately without explanation.
- Ignore the behavior to avoid conflict.
- Publicly shame the student to enforce compliance.
- Speak honestly and firmly about the risk while offering safe alternatives. Correct answer.
Explanation
Balancing ahimsa and satya means addressing the risk truthfully and kindly, with clear alternatives. Avoidance fails honesty, shaming causes harm, and unexplained removal lacks transparency.
Question 24Yoga Philosophy, History, and Ethics
What does 'svadhyaya' most precisely mean among the niyamas?
- Contentment
- Self-study and study of sacred texts Correct answer.
- Austerity
- Physical cleansing
Explanation
Svadhyaya combines self-study with the study of sacred or inspiring texts. Cleansing is saucha, contentment is santosha, and austerity is tapas.
Question 25Yoga Philosophy, History, and Ethics
Which statement best reflects the historical development of modern postural yoga as commonly described by scholars?
- It originated only in the last decade.
- It emerged largely in the twentieth century, blending earlier hatha traditions with other influences. Correct answer.
- It has no connection to earlier Indian traditions.
- It is unchanged since the time of Patanjali.
Explanation
Scholars generally describe modern postural yoga as developing in the twentieth century, drawing on earlier hatha traditions and other cultural influences. It is neither ancient and unchanged nor disconnected from Indian roots.
Question 26Yoga Philosophy, History, and Ethics
In the Yoga Sutras, the yamas are described as a set of ethical restraints. Which list correctly names all five yamas?
- Asana, pranayama, pratyahara, dharana, dhyana
- Yama, niyama, asana, pranayama, pratyahara
- Saucha, santosha, tapas, svadhyaya, isvara pranidhana
- Ahimsa, satya, asteya, brahmacharya, aparigraha Correct answer.
Explanation
Patanjali's Yoga Sutras (2.30) list the five yamas as ahimsa (non-harming), satya (truthfulness), asteya (non-stealing), brahmacharya (sexual restraint or moderation), and aparigraha (non-possessiveness). These form the first limb of the eight-limbed path and are considered universal vows. The other lists name niyamas, limbs, or a mix, not the five yamas.
Question 27Yoga Philosophy, History, and Ethics
A yoga teacher is planning a workshop on the historical roots of hatha yoga. Which text is traditionally considered a foundational source for hatha yoga techniques such as asana, pranayama, mudra, and bandha?
- The Samkhya Karika
- The Bhagavad Gita
- The Hatha Yoga Pradipika Correct answer.
- The Yoga Sutras of Patanjali
Explanation
The Hatha Yoga Pradipika, attributed to Svatmarama (15th century CE), is one of the earliest and most influential manuals of hatha yoga, systematically describing asana, pranayama, mudra, and bandha. The Yoga Sutras focus on the eight limbs and mental discipline rather than detailed hatha techniques. The Bhagavad Gita and Samkhya Karika are philosophical texts not primarily concerned with hatha practice.
Question 28Yoga Philosophy, History, and Ethics
A student tells a teacher that they feel guilty about taking time for their yoga practice because they believe it is selfish. Which yama or niyama most directly supports the idea that caring for oneself is part of ethical practice?
- Asteya, because it involves not taking what is not given
- Santosha, because it means contentment with what one has
- Ahimsa, because it includes non-harming toward oneself Correct answer.
- Brahmacharya, because it requires celibacy
Explanation
Ahimsa, the principle of non-harming, traditionally extends to oneself as well as others; self-care and avoiding self-harm are expressions of ahimsa. While santosha (contentment) is related, it does not directly address the guilt about self-care. Asteya and brahmacharya address other ethical dimensions and do not best answer the student's concern.
Question 29Yoga Philosophy, History, and Ethics
A teacher is explaining the concept of 'tapas' as a niyama. Which description best captures its traditional meaning in the Yoga Sutras?
- The study of sacred texts and repetition of mantras
- The disciplined effort and heat generated by sustained practice Correct answer.
- The surrender of all actions to a higher principle
- The practice of contentedly accepting whatever circumstances arise
Explanation
Tapas literally means 'heat' and refers to the disciplined effort, austerity, and perseverance that generate transformative heat in practice. It is one of the five niyamas in Patanjali's Yoga Sutras (2.32). The other options describe santosha, svadhyaya, and isvara pranidhana, respectively.
Question 30Yoga Philosophy, History, and Ethics
A teacher is designing a continuing education session on yoga ethics. They want to explain why the yamas and niyamas are considered foundational to the other limbs. Which reasoning is most consistent with classical yoga philosophy?
- The yamas and niyamas are social conventions that vary by culture and have no soteriological role.
- The yamas and niyamas are optional ethical guidelines that can be practiced after mastering asana.
- The yamas and niyamas are primarily physical preparations that strengthen the body for advanced postures.
- The yamas and niyamas purify the mind and relationships, creating the stability needed for deeper concentration. Correct answer.
Explanation
In Patanjali's eight-limbed path, the yamas and niyamas are the first two limbs and are seen as ethical and mental purifications that establish a stable foundation for the subsequent limbs of asana, pranayama, and meditation. They are not optional or merely physical; they are integral to the path of liberation. Classical commentaries emphasize that without ethical restraint, the mind remains agitated and unable to concentrate.
Question 31Anatomy, Physiology, and Biomechanics
In anatomical position, which description correctly places the palms and the feet?
- Palms facing medially and feet crossed
- Palms facing posteriorly and feet turned outward
- Palms facing anteriorly and feet turned outward at 45 degrees
- Palms facing anteriorly and feet parallel with toes forward Correct answer.
Explanation
Anatomical position is the reference posture for all directional terminology: the body stands upright, arms hang at the sides with palms facing forward (anteriorly), and the feet are parallel with toes pointing forward. Any deviation, such as rotated palms or splayed feet, changes the meaning of terms like supination and eversion.
Question 32Anatomy, Physiology, and Biomechanics
A yoga student bends forward to touch the floor in a standing forward fold. Which plane of motion does the primary spinal movement occur in?
- Frontal plane
- Transverse plane
- Sagittal plane Correct answer.
- Oblique plane
Explanation
Flexion and extension of the spine occur in the sagittal plane, which divides the body into left and right halves. A forward fold is spinal and hip flexion, so the motion is sagittal regardless of how the arms are positioned.
Question 33Anatomy, Physiology, and Biomechanics
Which muscle group is the primary extensor of the hip joint during a standing backbend such as a lunge-based backbend?
- Rectus femoris and sartorius
- Adductor longus and gracilis
- Iliopsoas
- Gluteus maximus and hamstrings Correct answer.
Explanation
Hip extension is produced chiefly by the gluteus maximus and the hamstrings, which pull the femur posteriorly relative to the pelvis. These muscles must shorten concentrically or resist lengthening eccentrically to lift and stabilize the torso in a backbend.
Question 34Anatomy, Physiology, and Biomechanics
Which muscle is the primary mover of shoulder flexion when a practitioner raises both arms overhead into Urdhva Hastasana?
- Teres minor
- Anterior deltoid Correct answer.
- Latissimus dorsi
- Rhomboid major
Explanation
Shoulder flexion is initiated and driven by the anterior fibers of the deltoid together with the clavicular head of the pectoralis major. As the arm passes roughly 90 degrees, the scapula rotates upward to allow full overhead reach.
Question 35Anatomy, Physiology, and Biomechanics
During a slow, controlled lowering from a headstand into a forward roll, which type of muscle contraction lengthens the hip flexors while they generate tension?
- Passive lengthening without tension
- Isometric contraction
- Concentric contraction
- Eccentric contraction Correct answer.
Explanation
An eccentric contraction occurs when a muscle produces force while lengthening, which is how the body controls a descent against gravity. In this transition the hip flexors and spinal flexors lengthen under load rather than shortening or holding a fixed length.
Question 36Anatomy, Physiology, and Biomechanics
A practitioner in Warrior II (Virabhadrasana II) holds the front knee bent to roughly 90 degrees. Which muscle action maintains the bent knee position while the pose is held?
- Concentric knee extension by the quadriceps
- Eccentric lengthening of the hamstrings
- Isometric contraction of the quadriceps Correct answer.
- Concentric contraction of the hip adductors
Explanation
Holding a static pose requires isometric contraction, in which the quadriceps generate tension without changing length so the knee angle stays fixed. Concentric or eccentric actions would alter the joint angle and break the hold.
Question 37Anatomy, Physiology, and Biomechanics
In a seated forward fold (Paschimottanasana), the pelvis tilts anteriorly to allow the trunk to move toward the legs. Which muscle group lengthens most to permit this anterior pelvic tilt?
- Knee flexors
- Deep hip external rotators
- Hip extensors and hamstrings Correct answer.
- Hip flexors
Explanation
Anterior pelvic tilt increases hip flexion, which requires the hip extensors, especially the hamstrings, to lengthen. Tight hamstrings commonly limit this fold because they resist the pelvic rotation needed to bring the trunk forward.
Question 38Anatomy, Physiology, and Biomechanics
A student demonstrates excessive lumbar extension in a standing backbend. Which cue best addresses the biomechanical cause by redistributing extension through the spine?
- Instruct the student to lift the chin and look straight up
- Instruct the student to push the hips further forward and relax the abdominals
- Instruct the student to draw the lower ribs down and lengthen the tailbone toward the floor Correct answer.
- Instruct the student to squeeze the shoulder blades together
Explanation
Drawing the lower ribs down and lengthening the tailbone encourages posterior pelvic tilt and thoracic extension, distributing the backbend along the whole spine rather than concentrating it in the lumbar region. This reduces compressive load on lumbar segments.
Question 39Anatomy, Physiology, and Biomechanics
Which structure connects muscle to bone and transmits the force generated during a yoga posture?
- Bursa
- Ligament
- Tendon Correct answer.
- Cartilage
Explanation
Tendons are dense connective tissues that attach muscle to bone and transmit contractile force to create joint motion. They are continuous with the muscle's fascia and are highly load-bearing.
Question 40Anatomy, Physiology, and Biomechanics
A practitioner reports burning and tingling down the back of the leg in a deep seated forward fold. Which anatomical structure is most likely being compressed or stretched?
- Patellar tendon at the knee
- Sciatic nerve along the posterior thigh Correct answer.
- Sacroiliac joint
- Femoral artery at the groin
Explanation
The sciatic nerve travels from the pelvis down the posterior thigh, and prolonged hamstring stretch with hip flexion can irritate or compress it. Nerve symptoms such as burning, tingling, or electric sensations differ from muscular stretch and warrant backing off the pose.
Question 41Anatomy, Physiology, and Biomechanics
Which structure forms the socket of the hip joint that receives the femoral head?
- Olecranon fossa
- Intercondylar notch
- Acetabulum Correct answer.
- Glenoid cavity
Explanation
The acetabulum is the cup-shaped socket of the pelvis formed by the ilium, ischium, and pubis, and it articulates with the femoral head to form the hip joint. Its depth contributes to the hip's stability compared with the shoulder.
Question 42Anatomy, Physiology, and Biomechanics
In a standing balance pose such as Vrksasana, which sensory system contributes most to maintaining balance when the eyes are closed?
- Visual system
- Auditory system
- Olfactory system
- Vestibular system and proprioceptors Correct answer.
Explanation
With the eyes closed, balance relies on the vestibular apparatus of the inner ear and proprioceptive input from muscles, joints, and skin. Proprioceptors such as muscle spindles and joint receptors report body position, while the vestibular system detects head orientation and movement.
Question 43Anatomy, Physiology, and Biomechanics
Which muscle is a key scapular upward rotator that allows full overhead arm elevation in poses like Downward-Facing Dog?
- Rhomboid minor
- Levator scapulae
- Pectoralis minor
- Serratus anterior Correct answer.
Explanation
The serratus anterior, working with the upper and lower trapezius, upwardly rotates the scapula so the acromion clears the humeral head during overhead reach. Without sufficient upward rotation, elevation is limited and impingement risk rises.
Question 44Anatomy, Physiology, and Biomechanics
Which statement best describes the role of the diaphragm during a slow, full yogic breath?
- It contracts and rises to push air out of the lungs
- It contracts and descends to increase thoracic volume and draw air in Correct answer.
- It remains motionless while the intercostals do all the work
- It relaxes and descends to force exhalation
Explanation
During inhalation the diaphragm contracts and flattens, descending toward the abdomen and increasing thoracic volume, which lowers intrapulmonary pressure so air flows in. Exhalation is largely passive as the diaphragm relaxes and rises.
Question 45Anatomy, Physiology, and Biomechanics
A practitioner experiences lightheadedness when holding the breath at the top of an inhale during a long sequence. Which physiological explanation is most accurate?
- Excessive oxygen in the blood causes dizziness
- Reduced venous return and altered blood gas levels affect cerebral perfusion Correct answer.
- Holding the breath always increases blood pressure to dangerous levels
- Increased carbon dioxide immediately stops the heart
Explanation
Breath retention, especially with straining, can reduce venous return to the heart and alter blood gas concentrations, which may lower cerebral blood flow and cause lightheadedness. The response is usually transient once normal breathing resumes.
Question 46Anatomy, Physiology, and Biomechanics
Which joint action describes the movement of the shoulder blades sliding toward each other during a chest-opening cue in a seated posture?
- Scapular elevation
- Scapular depression
- Scapular protraction
- Scapular retraction Correct answer.
Explanation
Retraction is the movement of the scapulae toward the spine, produced by the middle trapezius and rhomboids. It is commonly cued in chest-opening poses to counter rounded shoulders.
Question 47Anatomy, Physiology, and Biomechanics
Which biomechanical principle explains why a longer lever, such as an extended arm, requires more muscular effort to hold in a horizontal position?
- Longer levers reduce the force of gravity on the limb
- Extending the arm decreases the load on the shoulder joint
- Moment arm length increases the torque the muscle must counteract Correct answer.
- Torque is independent of the distance from the joint
Explanation
Torque equals force multiplied by the perpendicular distance from the axis, so extending the arm increases the moment arm and the gravitational torque the shoulder muscles must resist. This is why holding the arms straight out is harder than holding them close to the body.
Question 48Anatomy, Physiology, and Biomechanics
During a Sun Salutation transition from Plank to Chaturanga, which action at the elbow occurs as the body lowers?
- Elbow hyperextension
- Elbow flexion Correct answer.
- Elbow extension
- Elbow rotation
Explanation
Lowering from Plank to Chaturanga bends the elbows, which is elbow flexion, driven concentrically by the biceps brachii and brachialis while the triceps lengthen eccentrically to control the descent. Keeping the elbows near the ribs and above 90 degrees protects the shoulder.
Question 49Anatomy, Physiology, and Biomechanics
Which muscle is the primary hip flexor that also flexes the trunk, making it important in seated forward folds and boat pose?
- Gluteus medius
- Iliopsoas Correct answer.
- Tensor fasciae latae
- Biceps femoris
Explanation
The iliopsoas, formed by the iliacus and psoas major, is the strongest hip flexor and also contributes to trunk flexion when the pelvis is stabilized. It is heavily engaged in boat pose and seated forward folds.
Question 50Anatomy, Physiology, and Biomechanics
In a standing twist such as Parivrtta Trikonasana, which spinal motion is the primary action being produced?
- Axial rotation Correct answer.
- Extension
- Lateral flexion
- Circumduction
Explanation
Twisting poses produce axial rotation of the spine in the transverse plane, driven by the obliques and rotatores. Rotation is greatest in the thoracic region, with limited rotation available in the lumbar spine.