Muscle Review

Question 1

trapezius

Answer 1

origin: base of skull down vertebrae
insertion: clavicle and scapula
attachment: shoulder elevation

Question 2

Levator Scapulae

Answer 2

action: raises/elevates
origin: base of skull
insertion: superior angle

Question 3

Rhomboids Major and Minor

Answer 3

origin: vertebrae
insertion: medial border
action: squeeze scapula together

Question 4

Serratus Anterior

Answer 4

Action: help with breathing and pulls scapula forward

Question 5

Pectoralis Minor

Answer 5

Origin: ribs 3-5
insertion: coracoid process
action: to raise scapula (round shoulders)

Question 6

Pec Major

Answer 6

origin: clavicle and sternum
insertion: humerus
action: shoulder/arm flexor

Question 7

biceps brachii

Answer 7

origin: long head (lateral) (labrum) and short head (coracoid)
insertion: elbow
action: flexes