Muscle Testing 2

Medial Epicondyle via Common Extensor Tendon, Antebrachial Fascia, Adjacent Intermuscular Septa

Palmar Surface of Base of 2nd Metacarpal

Flexion & Radial Deviation of Wrist

Median Nerve C6-C7

Lateral Epicondyle of Humerus via Common Extensor Tendon

Digital Attachments on Dorsum of Proximal Phalanges 2-5

Extension of Wrist, Metacarpophalangeal, Proximal & Distal Interphalangeal Joints

Posterior Interosseous Nerve C7-C8

Humeral Head - Proximal to Medial Epicondyle, Ulna Head - Medial side of Coronoid Process of Ulna

Obliquely crosses to midway aling Lateral Surface of Radial Shaft

Median Nerve C6-C7

Pronation of Forearm, Weak Flexor of Elbow

Lateral Supracondylar Ridge of Humerus

Lateral Side of Distal Radius - Styloid Process

Flexion of Elbow especially when Forearm is in mid Pronation, Rapid Elbow Movements

Radial Nerve C5-C6

Medial 2/3rds of Supraspinous Fossa

Under Acromion to Attach to Greater Tubercle of Humerus

Starts Abduction, Active Throughout Abduction

Suprascapular Nerve C5-C6

Medial 2/3rds of Infraspinous Fossa

Under Spine of Scapular to Attach to Middle Facet of Greater Tubercle of Humerus

Extranal Rotation of Humerus, Stabilises Humerus within Glenohumeral Fossa

Suprascapular Nerve C5-C6

Upper 2/3rds of Lateral Border of Dorsal Scapular

Lower Facet of Greater Tubercle of Humerus

External Rotation, Weak Adduction of Humerus, Stabilises Humerus in Glenohumeral Fossa

Axillary Nerve C5-C6

Medial 2/3rds of Subscapular Fossa

Lesser Tubercle of Anterior Humerus

Medial Rotation of Humerus, Stibilises Humerus in Glenohumeral Fossa

Upper & Lower Subscapurlaris Nerves C5-C6