Shoulder Flashcards
Upper trap actions
Elevate scapula
Assist in upward rotation
Trapezius N
Spinal accessory N XI
Middle trap actions
Retract scapula
Lower trap
Depress and upwardly rotate scapula
Main action of trapezius
Upward rotation of scapula
Levator scapulae actions and N
Elevate scapula
Dorsal scapular N
Rhomboids actions and N
Retract and downward rotation of scapula
Serratus anterior actions
Protract and assist with upward rotation
Pect minor actions
Depress scapula
Pect minor N
Medial pectoral N
Latissimus dorsi actions
Adduction, extension, internal rotation of shoulder
Latissimus dorsi N
Thoracodorsal N
Pect major actions
Flex, adduct, internally rotate shoulder
Main motion= horizontal adduction*
Subscapularis actions
Internal rotation
Subscapularis N
Upper and lower subscapular N
Infraspinatus actions
External rotation of shoulder
Infraspinatus N
Suprascapular N
Teres minor actions
External rotation of shoulder
Teres minor N
Axillary N
Supraspinatus actions
ABduction of shoulder
Serratus anterior N
Long thoracic N
Teres major actions
Extend, adduct, internally rotate shoulder
Teres major N
Lower subscapular N
Supraspinatus N
Suprascapular N
Ant, mid, and post deltoid
ALL ABDUCT SHOULDER
Ant: flex shoulder
Mid: aBduct shoulder
Post: extend, horizontally aBduct shoulder
Deltoid N
Axillary N
Coracobrachialis actions
Flex, adduct shoulder
Coracobrachialis N
Musculocutaneous N
Triceps N
Radial N
Triceps action
Extend elbow
Stabilize post capsule of shoulder
Biceps actions
Flex, supinate elbow