Actions Flashcards
Trapezius
Scapular retraction and upward rotation
Upper fibers_ elevation of the scapula
Lower fibers _ scapular depression and upward rotation
Elevation of the scapula
Upper trapezius, rhomboids, levator
Pectoralis Major
adducts + internally rotates
Clavicular head - flexes the arm
Sternal head _ extends the arm
Scapular depression
Lower trapezius, pec minor
Protraction
Serratus anterior
Scapular elevation
Rhomboids, and traps I just the upper fibers)
Upward rotation
Trapezius and serratus antenor
Downward rotation
Rhomboids and Levator scapula
Flexion of the shoulder
Anterior deltoid, short head of the biceps, corachobrachiolis, clavicular head of the pec major
External rotation
Teres minor, infraspinatus and posterior deltoid
Extension of the shoulder
Long head triceps, posterior deltoid, lattissimus dorsi and teres major
Retraction of the scapula
Trapezius and rhomboids
Abduction
Deltoids, Supraspinatus