Shoulder Girdle Muscle Movements Flashcards
Where is the corocoid process palpable?
Below the lateral 1/3 of the clavicle
Where does pec major insert?
Lateral lip of bicipital groove
What movements does pec major carry out?
Flexion
Adduction
Medial rotation
Where does latissimus dorsi insert?
Floor of bicipital groove
What actions does lat dorsi carry out?
Adduction
Extension
Medial rotation
What nerve innervates lat dorsi?
Thoracodorsal nerve
Where does teres major insert?
Medial lip of bicipital groove
What actions does teres major carry out?
Medial rotation
Adduction
What nerve innervates teres major?
Lower subscapular nerve
Where does trapezius insert?
Lateral 1/3 of clavicle
What nerve innervates the trapezius?
Accessory nerve
What actions does trapezius carry out?
Lateral rotation, elevation and retraction of the scapula
What action does levator scapulae carry out?
Raise medial border of scapula
What nerve innervates levator scapulae?
Dorsal scapular nerve
What does rhomboid major do?
Retracts and rotates scapula
