a.
To determine: The joint motion experienced when a person sitting in a good posture with hands on each side of the jaw moves the jaw from side to side against slight resistance.
Introduction: The temporomandibular joint (TMJ) is the joint frequently involved in swallowing, chewing, talking, and yawning. It is a synovial joint, which is present anterior to the ear and posterior superior of the jaw.
b.
To determine: The type of contraction that occurs when a person sitting in a good posture with hands on each side of the jaw moves the jaw from side to side against slight resistance.
c.
To name: The muscles responsible for moving the jaw to the right when a person sitting in a good posture with hands on each side of the jaw moves the jaw from side to side against slight resistance.
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Clinical Kinesiology and Anatomy
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