Musculoskeletal

1. Proximal Phalanx
2. Distal Metacarpal Head
3. Gel

1. A1 Pulley
2. Volar Plate
3. Distal Metacarpal Head
4. Flexor Tendon
5. Proximal Phalanx

Thickened A1 Pulley

1. Flexor Tendon Transverse

1. Extensor Tendon
2. Fat Pad
3. Distal Metacarpal
4. Proximal Phalanx

1. Triceps Tendon
2. Olecranon Process

1. Radial Head

1. Triceps Tendon
2. Posterior Recess

1. Triceps Tendon
2. Recess
3. Olecranon Process
4. Posterior Trochlea of the Humerus

1. Olecranon Process