Origin

Deltoid

Originates from the acromial end of the clavicle.

Trapezius

Originates from the nuchal line of the occipital bone.

Sternocleidomastoid

Originates from the sternum.

Supraspinatus

Originates from the supraspinatus fossa.

Infraspinatus

Originates from the infraspinatus fossa.

Teres Minor/Major

Originates from the lateral border of the scapula.

Subscapularis

Originates from the subscapular fossa.

Coracobrachialis/Biceps Brachii Short Head

Originates from the coracoid process of the scapula.

Biceps Brachii Long Head

Originates from the supraglenoid tubercle of the scapula.

Triceps Brachii Long Head

Originates from the infraglenoid tubercle of the scapula.

Anconeus/Extensor Carpi Radialis Brevis/Longus/Extensor Digitorum/Extensor Carpi Ulnaris/Supinator

Originates from the lateral epicondyle of the humerus.

Pronator Teres/Flexor Carpi Radialis/Palmaris Longus/Flexor Digitorum Superficialis/Flexor Carpi Ulnaris

Originates from the medial epicondyle of the humerus.

Brachioradialis

Originates from the lateral supracondylar ridge of the humerus.

Sternocleidomastoid

Originates from the manubrium of the sternum.

Splenius Capitis

Originates from the spinous processes of C7 to T6.

Splenius Cervicis

Originates from the spinous processes of T3 to T6.

Trapezius

Originates from the external occipital protuberance.

Latissimus Dorsi

Originates from the thoracolumbar fossa.

Levator Scapulae

Originates from the transverse processes of C1 to C4.

Rhomboid Minor

Originates from the spinous processes of C7 to T1.

Rhomboid Major

Originates from the spinous processes of T2 to T5.