wirst anatomy and injuries

what structures are on the distal radius and ulna

• ulnar styloid process

• radial styloid process

what are the proximal and distal carpals

proximal

• scaphoid

• lunate

• triquetrum

• pisiform

distal

• trapezium

• trapezoid

• capitate

• hamate

what is the bony anatomy of the hand and fingers

hand

• metacarpals

fingers

• phalanges
  - proximal
  - middle
  - distal

what are the wrist articulations

• radiocarpal joint

• metacarpophalangeal joint (MCP joint)

• interphalangeal joint

what are the actions of the radiocarpal joint

• flexion n extension

• hyperextension

• radial n ulnar deviation

what are the actions of the metacarpophalangeal joint (MCP joint)

• flexion n extension

• ab n adduction

• circumduction

what are the regions of the interphalangeal joint

• proximal interphalangeal (PIP)

• distal interphalangeal (DIP)

• interphalangeal joint (IP)

what are the wrist flexors and extensors

flexors

• flexor carpi radialis

• flexor carpi ulnaris

extensors

• extensor carpi longus

• extensor carpi brevis

• extensor carpi ulnaris

what is a wrist sprain and its symptoms and management

falling on proximal palm during a fall or FOOSH

• point tenderness on dorsum of radiocarpal joint

• pain increases w active or passive extension

management

• ice

• compression

• rest

• strengthening exercises

what is gamekeepers thumb and its symptoms

tearing of the collateral ligament of the MCP joint, occurs when joint is fully extended and thumb is forcefully abducted

• palm aspect of the joint is painful, swollen, and bruised

• joint feels unstable

what is carpal tunnel syndrome and its symptoms and treatment

caused by the tendon being inflamed and compressing the median nerve at the wrist

• numbness and tingling in the thumb to ring finger

• weakness

• clumsiness

treatment

• rest

• splinting

• ice

• possible surgery