Actions Flashcards
Pectoralis major
Flexion, adduction & med. rotation arm.
Pectoralis minor
Protraction & depression of scapula.
Serratus ant.
Protraction & upward rotation med. border scapula, fixation of scapula to chest wall (winging).
Trapezius
Elevates, retracts & rotates scapula upwards.
Latissimus dorsi
Extension, adduction & med. rotation arm.
Supraspinatus
Abduction 0-15 & stabilizes shoulder from above.
Infraspinatus
Adduction & lat. rotation arm,stabilizes shoulder from behind.
Teres minor
Adduction & lat. rotation arm, stabilizes shoulder from behind.
Teres major
Extension, adduction & med. rotation arm.
Subscapularis
Adduction & med. rotation arm, stabilizes shoulder from infront.
Deltoid
Flexion & med. rotation (ant. fibers), extension & lat. rotation (post. fibers), abduction 90-180 (middle fibers) (flat shoulder).
Biceps brachii
Flexion elbow & shoulder, supination of flexed elbow.
Coracobrachialis
Flexion & adduction shoulder.
Brachialis
Elbow flexion.
Triceps
Extension elbow & pulls elbow capsule upwards.