Ligaments:
Injuries:
Movement
Flexion
Primary - the first dorsal interosseous, the first palmar interosseous and the index lumbrical
Secondary (after flexion has been initiated) - the Flexor Digitorum Superficialis Index and Flexor Digitorum Profundus Index
Extension - Extensor Digitorum Index
Radial deviation / Pronation - First Dorsal Interosseous
Ulnar deviation / Supination - first palmar interosseous