Wrist and Hand - Advanced Sports Med

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Bones that make up most of the wrist and hand

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1

Bones that make up most of the wrist and hand

Carpals (8)

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2

The bones that make up the wrist and hand

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

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3

Gamekeeper’s thumb causation

Forceful abduction of the thumb

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4

Scaphoid fracture causation

FOOSHing

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Carpal tunnel syndrome symptoms

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

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Palpation point of a scaphoid fracture

Anatomical snuffbox

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Motions of the wrist

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

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Carpal tunnel syndrome causation

Compression of the median nerve

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

Palmar- fingers

Thenar- thumb

Hypothenar- pinky

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10

ORIF

Open reduction internal fixation

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11

Names of the carpal bones

Scaphoid

Lunate

Pisiform

Trapezium

Trapezoid

capitate

hamate

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12

The pinky extensor

Extensor digiti minimi

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13

The thumb extensor

Extensor pollicis longus and brevis

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The index finger extensor

Extensor indicis

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Wrist and phalange extensors

Extensor digitorum communis

Extensor indicis

Extensor pollicis longus and brevis

Extensor digiti minimi

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Wrist flexors

Flexor carpi radialis

Palmaris longus

Flexor carpi ulnaris

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Wrist AND phalange flexors

Flexor digitorum superficialis

Flexor digitorum profundus

Flexor pollicis longus

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Main cause of wrist sprain

FOOSH

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Fracture that can cause avascular necrosis

Proximal fracture

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If untreated, can lead to arthritis

Scaphoid fracture

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Hamate fracture

Fracture of hook of hamate

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Hamate fracture causation

Shearing force from a bat, racket, or club

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What sport is a hamate fracture most common in?

Golf

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Hamate fracture symptoms

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

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Hamate fracture first rehab priority

Edema (swelling) control

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Injury with low incidence in sports

CTS (Carpal tunnel syndrome)

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27

Ganglion cysts

Common soft-tissue tumor in hand

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28

Aspiration

Common treatment for ganglion cysts

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29

Sports common with ganglion cysts

Weight lifters, shot putters, wrestlers, gymnasts

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Where do ganglion cysts develop

Over tendon on dorsal side of the wrist

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31

Boxer’s fracture

Fracture of the 5th metacarpal

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Most commonly fractured metacarpal

5th metacarpal

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Boxer’s fx causation

Hitting an object with a closed fist

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Injury occasionally fixed by ORIF

Boxer’s fx

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35

Rehab method to encourage ROM (boxer’s fracture)

Buddy taping

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36

DeQuervain’s Tenosynovitis

Inflammation of abductor pollicus longus and extensor pollicus brevis tendons

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DeQuervain’s Tenosynovitis causation

Excessive deviation (ulnar and radial) thumb flexion and adduction

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38

Gamekeeper’s thumb

Sprain of ulnar collateral ligament in the thumb

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39

Another name for gamekeeper’s thumb

Skier’s thumb

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40

Gamekeeper’s thumb causation

Falling on thumb while abducted

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41

Jersey finger

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

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Jersey finger causation

Forceful hyperextension of fingers whilst gripping something

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43

DIP Joint

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PIP Joint

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Mallet finger

Avulsion of extensor tendon at DIP joint

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46

Mallet finger causation

Forced flexion of DIP joint whilst in full extension

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Boutonniere deformity

Flexion of PIP joint and hyperextension of DIP joint

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Boutonniere deformity causation

Extended finger is forcibly flexed

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Joint between the hands and fingers

Metacarpophalangeal joint

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51

“Roof” to the carpal tunnel

Transverse carpal ligament

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52

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

Palmar muscles

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Most commonly fractured carpal bone

Scaphoid

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54

Pinky muscles

Hypothenar muscles

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55

Finger bones

Phalanges

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Wrist bones

Carpals

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Wrist movement similar to adduction & abduction

Deviation

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Joint in wrist that allows supination and pronation

Distal radioulnar joint

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59

Hand bones

Metacarpals

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