Lab 3-Movement Function

Abduction of Arm

All parts of deltoid, supraspinatus, clavicular part of pectoralis major

Flexion of Arm

Anterior deltoid, clavicular part of pectoralis major

Extension of Arm

Posterior Deltoid, Teres Major, Latissimus Dorsi

Adduction of Arm

Sternal part of pectoralis major, latissimus dorsi, Teres Major, Coraocobranchalis

External rotation of arm

Infraspinatus, Teres minor,

Internal Rotation of arm

Pectorlis Major, Subscapularis, Teres Minor, Latissimus Dorsi,

Horizontal abduction of arm

Infraspinatus, Teres Minor, Middle and Posterior Deltoid

Horizontal adduction of arm

Pectoralis Major, Anterior deltoid, coraocobranchalis