Calcium ions are pumped back into the sarcoplasmic

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Unformatted text preview: 0 1. Match the muscle with its description. serratus anterior protracts the scapula, as in throwing a punch. rhomboid major and minor The only muscle of the group which does not move the scapula. infraspinatus Instrumental in shrugging the shoulder. levator scapulae Retracts and fixates the scapula if the head is fixed. trapezius Adducts and fixates the scapula. Statement Response Value serratus anterior protracts the scapula, as in throwing a punch. 20.0% rhomboid major and minor Adducts and fixates the scapula. 20.0% infraspinatus The only muscle of the group which does not move the scapula. 20.0% levator scapulae Instrumental in shrugging the shoulder. 20.0% trapezius Retracts and fixates the scapula if the head is fixed. 20.0% Score: 2/2 2. Match the muscles with their descriptions. sternocleidomastoid Elevates the ribcage in forced inspiration if head is fixed. splenius capitus The upper portion of this muscle extends the head only if the scapula is fixed. scalenes Elevates the mandible to close the jaw. trapezius Acting bilaterally with its pair it protracts and flexes the head. temporalis Acting bilaterally with its pair it extends the head and neck. Statement Response Value sternocleidomastoid Acting bilaterally with its pair it protracts and flexes the head. 20.0% splenius capitus Acting bilaterally with its pair it extends the head and neck. 20.0% scalenes Elevates the ribcage in forced inspiration if head is fixed. 20.0% trapezius The upper portion of this muscle extends the head only if the scapula is fixed. 20.0% temporalis Elevates the mandible to close the jaw. 20.0% Score: 2/2 3. Match the muscles with their descriptions. pectoralis major Adducts and laterally rotates the humerus. latisimus dorsi A rotator cuff muslce which also abducts the humerus. teres minor The primary adductor of the humerus. supraspinatus A back muscle which adducts and medially rotates the humerus. deltoid The primary abductor of the shoulder joint. Statement Response Value pectoralis major The primary abductor of the shoulder joint. 0.0% latisimus dorsi A back muscle which adducts and medially rotates the humerus. 20.0% teres minor Adducts and laterally rotates the humerus. 20.0% supraspinatus A rotator cuff muslce which also abducts the humerus. 20.0% deltoid The primary abductor of the shoulder joint. 20.0% Score: 1.6/2 4. extensor carpi radialis longus Elbow extensor. brachioradialis Inflammation of the origin of this muscle on the lateral epicondyle of the humerus produces "tennis elbow". brachialis Maintains the wrist in a partially abducted position when carrying something. triceps brachii Its origin is on the medial epicondyle of the humerus. flexor carpi ulnaris The primary synergist of the biceps brachii Statement Response Value extensor carpi radialis longus Inflammation of the origin of this muscle on the lateral epicondyle of the humerus produces "tennis elbow". 20.0% brachioradialis Maintains the wrist in a partially abducted position when carrying something. 20.0% brachialis The primar...
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This note was uploaded on 01/29/2013 for the course BIOL 239 taught by Professor Swan during the Fall '12 term at New Mexico.

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