Bones◦ Humerus

◦ Radius

◦ Ulna

Medial Collateral- Ulnar

Lateral Collateral-Radial

Annular Ligament Anterior Capsule

Biceps Brachii Brachialis Brachio Radialis Triceps Flexors Extensors Pronator Teres Supinator Teres

Inserts on Radial Tuberosity

Has two heads (Long and Short)

Supinates and Flexes theElbow

Inserts on the radial Tuberosity

Flexes the elbow

Origin on the distal lateral epicondyleto the styloid process of the distal radius.

Only muscle to go distal to distal

Elbow Flexor

2 Jointed muscle with three heads of orgin

Long Head crosses the shoulder joint

Inserts on the olecranon process of the ulna

Assists in shoulder extension

Elbow extensor

Originate on the lateral epicondyle

Flexor Carpi Ulnaris Flexor Carpi

Radialis Flexor Pollicis

Longus Palmaris Longus

Pronator Teres

Supinator Teres

Fractured Humeral Shaft Medical Collateral Ligament Sprain Avulsion of Medial Epicondyle Traumatic Elbow Olecranon Bursitis Radial Humeral Bursitis Tennis Elbow Dislocated Elbow Hyperexteded Elbow Ulnar Nerve Contusion

Can Involve Brachial Artery

Volkmans Fx

Medical Emergency

Injured by falling on out-stretched arm

Could also strain the flexor tendons

Occurs in 9-14 year olds

“Little League Elbow”

May require surgical pinning

“Pitchers Elbow”

Caused by bone hitting bone (radius/humerus)

Damages medial portion of the elbow

Can be injured by falling on elbow

Swelling is isolated and looks like a bubble

Common name “tennis elbow”

Pain over the lateral epicondyle

Treatment is modalities, anti-inflammatories, elbow strap, cortizone injections.

Difficult to reduce

Caused by landing on outstretched arm or getting hit

Ulna dislocates posteriorly

Gross Deformity

Medical Emergency