1. Upper Arm, Elbow, and Forearm Conditions
Chapter 12

2. Anatomy Bones Joints Ligaments Muscles Humerus Radius
Ulna
Joints
Humeroulnar
Humeroradial
Proximal Radioulnar
Ligaments
Muscles
23 overlapping muscles provide stability

3. Humeroulnar Hinge joint
Articulation between the trochlea of the humerus articulates with the trochlear fossa of the ulna
Flexion and extension

4. Humeroradial Gliding joint
Spherical capitellum of the humerus and the proximal radius

5. Proximal Radioulnar Joint
Pivot Joint
Head of the radius binded to the radial notch of the ulna by the annular ligament
Pronation and supination

6. Ligaments of the Elbow Medial (Ulnar) Collateral Ligament
Anterior
Posterior
Transverse
Lateral (Radial) Collateral Ligament
Lateral Ulnar Collateral
Radial Collateral
Annular
Accessory ligaments

7. Bursae Subcutaneous olecranon bursa
Between the olecranon and the skin surface

8. Flexion Brachialis (primary mover) Biceps Brachii Brachioradialis
Flexor Carpi Ulnaris
Flexor Digitorum Superficialis

9. Extension
Triceps Brachii (primary mover)
Anconeus

10. Pronation
Pronator Quadratus (primary mover)
Pronator Teres

11. Supination
Supinator (primary Mover)
Biceps (when elbow is flexed)

12. Contusions Contusions Olecranon Bursitis Acute and Chronic Bursitis
Septic and Nonseptic Bursitis

13. Sprains
Sprains
Anterior Capsulitis
Dislocations

14. Strains
Strains
Flexor Strains
Extensor Strains
Compartment Syndrome

15. Overuse Conditions Medial Epicondylitis
Common Extensor Tendinitis (Lateral Epicondylitis)
Neural Entrapment Injuries

16. Fractures Epiphyseal and Avulsion Fractures Stress Fractures
Osteochondritis Dessicans
Displaced and Undisplaced Fractures