YMCA Anatomy & Kinesiology 2

Question 1

Which muscle group is primarily responsible for spinal flexion during a seated forward fold?

Accepted Answer

Rectus abdominis

Answer

The rectus abdominis contracts to flex the spine, bringing the thorax toward the pelvis in forward folds.

Question 2

The glenohumeral joint is best classified as which type of joint?

Accepted Answer

Ball-and-socket joint

Answer

The glenohumeral (shoulder) joint is a ball-and-socket joint allowing the greatest range of motion of any joint in the body.

Question 3

During Warrior II, the front knee should track over which structure to protect the joint?

Accepted Answer

The second or third toe

Answer

Aligning the knee over the second or third toe maintains proper patellofemoral tracking and prevents valgus stress.

Question 4

Which nerve is most at risk during prolonged kneeling poses due to compression at the lateral knee?

Accepted Answer

Common peroneal nerve

Answer

The common peroneal nerve wraps around the fibular head and is vulnerable to compression in prolonged kneeling.

Question 5

In anatomical position, the term 'medial' refers to structures that are:

Accepted Answer

Closer to the midline

Answer

Medial describes structures positioned closer to the body's midline, as opposed to lateral which is farther from the midline.

(YMCA) Young Men's Christian Association Yoga Certification Practice Test