Wrist and Hand - Advanced Sports Med

Bones that make up most of the wrist and hand

Carpals (8)

The bones that make up the wrist and hand

Carpals (8), Metacarpals (5), Phalanges (14)

Gamekeeper’s thumb causation

Forceful abduction of the thumb

Scaphoid fracture causation

FOOSHing

Carpal tunnel syndrome symptoms

Tingling (paresthesia) in thumb through radial half of ring finger

Palpation point of a scaphoid fracture

Anatomical snuffbox

Motions of the wrist

Flexion, extension, pronation, supination, circumduction, ulnar deviation, radial deviation

Carpal tunnel syndrome causation

Compression of the median nerve

Three categories of hand and wrist muscles and what they act on

Palmar- fingers

Thenar- thumb

Hypothenar- pinky

ORIF

Open reduction internal fixation

Names of the carpal bones

Scaphoid

Lunate

Pisiform

Trapezium

Trapezoid

capitate

hamate

The pinky extensor

Extensor digiti minimi

The thumb extensor

Extensor pollicis longus and brevis

The index finger extensor

Extensor indicis

Wrist and phalange extensors

Extensor digitorum communis

Extensor indicis

Extensor pollicis longus and brevis

Extensor digiti minimi

Wrist flexors

Flexor carpi radialis

Palmaris longus

Flexor carpi ulnaris

Wrist AND phalange flexors

Flexor digitorum superficialis

Flexor digitorum profundus

Flexor pollicis longus

Main cause of wrist sprain

FOOSH

Fracture that can cause avascular necrosis

Proximal fracture

If untreated, can lead to arthritis

Scaphoid fracture

Hamate fracture

Fracture of hook of hamate

Hamate fracture causation

Shearing force from a bat, racket, or club

What sport is a hamate fracture most common in?

Golf

Hamate fracture symptoms

Tenderness over hook, wrist pain, weak grip strength, “snap or pop”

Hamate fracture first rehab priority

Edema (swelling) control

Injury with low incidence in sports

CTS (Carpal tunnel syndrome)

Ganglion cysts

Common soft-tissue tumor in hand

Aspiration

Common treatment for ganglion cysts

Sports common with ganglion cysts

Weight lifters, shot putters, wrestlers, gymnasts

Where do ganglion cysts develop

Over tendon on dorsal side of the wrist

Boxer’s fracture

Fracture of the 5th metacarpal

Most commonly fractured metacarpal

5th metacarpal

Boxer’s fx causation

Hitting an object with a closed fist

Injury occasionally fixed by ORIF

Boxer’s fx

Rehab method to encourage ROM (boxer’s fracture)

Buddy taping

DeQuervain’s Tenosynovitis

Inflammation of abductor pollicus longus and extensor pollicus brevis tendons

DeQuervain’s Tenosynovitis causation

Excessive deviation (ulnar and radial) thumb flexion and adduction

Gamekeeper’s thumb

Sprain of ulnar collateral ligament in the thumb

Another name for gamekeeper’s thumb

Skier’s thumb

Gamekeeper’s thumb causation

Falling on thumb while abducted

Jersey finger

Rupture of flexor digitorum at DIP joint (most common at ring finger)

Jersey finger causation

Forceful hyperextension of fingers whilst gripping something

DIP Joint

PIP Joint

Mallet finger

Avulsion of extensor tendon at DIP joint

Mallet finger causation

Forced flexion of DIP joint whilst in full extension

Boutonniere deformity

Flexion of PIP joint and hyperextension of DIP joint

Boutonniere deformity causation

Extended finger is forcibly flexed

Joint between the hands and fingers

Metacarpophalangeal joint

“Roof” to the carpal tunnel

Transverse carpal ligament

Group of muscles that control finger abduction, adduction, and flexion

Palmar muscles

Most commonly fractured carpal bone

Scaphoid

Pinky muscles

Hypothenar muscles

Finger bones

Phalanges

Wrist bones

Carpals

Wrist movement similar to adduction & abduction

Deviation

Joint in wrist that allows supination and pronation

Distal radioulnar joint

Hand bones

Metacarpals