Muscle Origin Insertion Movement
Trapezius Spinal Column, Vertebrae
Latissimus Dorsi
Pectoralis Major
Pectoralis Minor Coracoid process of scapula
Deltoid
Supraspinatus Abduction of shoulder
Infraspinatus External rotation of shoulder
Subscapularis Lesser tubercule of humerus Internal Rotation of shoulder
Biceps Brachii Radial Tuberosity
Triceps Brachii Olecranon of Ulna Extension at elbow
Clavicle and Spine of the
Scapula
Elevation (superior fibers) or
Depression (inferior fibers) of
Scapula
Inferior thorasic and all
lumbar vertebrae
Intertubecular groove of
humerus
Depression, retraction of
Scapula, Adduction of Shoulder
and Internal Rotation of
shoulder
Body of sternum, ribs 6-12
and medial, inferior
portion of clavicle.
Greater tubercule of
humerus
Protraction of Scapula, flexion,
adduction and internal rotation
of shoulder
Anterior, Superior surface
of ribs
depression, protraction of
scapula
Clavicle and Acromion and
Spine of Scapula
Deltoid tuberosity of
humerus
Abduction of shoulder, flexion of
shoulder (anterior fibers), and
extension of shoulder (posterior
fibers)
Supraspinous fossa of
Scapula
Greater tubercule of
humerus
Infraspinous fossa of
Scapula
Greater tubercule of
humerus
Subscapular fossa of
Scapula
Long head - supragleniod
tubercule of scapula.
Short Head - Coracoid
process of scapula
Flexion of the elbow, flexion of
the shoulder
Lateral Head - Superior,
lateral margin of humerus
Long head -
Infraglenoid tubercule of
scapula Medial
Head - Posterior surface
of Humerus inferior to the
radial groove.
