Forearm, Wrist, and Hand Evaluation Flashcards
Describe the possible injuries based on pain location
Radial pain:
- Trauma: scaphoid
- Gradual onset: DeQuervains Tenosynovitis
- Pain slightly more proximal: intersection syndrome
Posterior pain:
- radial carpal arthritis
- ganglion cyst
Ulnar pain:
- TFCC
Anterior pain:
- carpal tunnel syndrome
Digit or metacarpal pain:
- Trauma: fracture
- Gradual onset: arthritis
Red flags for history
- no incident or accident
- glove like numbness
- are the symptoms constant/unrelenting
- multiple dermatomes
- sudden onset of severe pain
- interrupting sleep/worse at night
Initial hypotheses based on patient history
- pain over radial styloid process with gripping activities: possible DeQuervain syndrome
- reports insidious onset numbness & tingling in first 3 fingers, pain worse with positioning at night: possible carpal tunnel syndrome
- reports paresthesias over dorsal aspect of ulnar border of hand digits 4-5: possible ulnar nerve compression at the tunnel of Guyon
- reports inability to extend MCP of IP joint: possible Dupuytren conjecture or trigger finger
- reports falling on hand with wrist hyper extended, reports pain with loading of wrist: possible scaphoid fracture/possible carpal instability
History suggesting carpal tunnel syndrome
- age >40
- symptoms wake patient
- bilateral symptoms
- numbness & tingling digits 1-3
- reports decreased sensation digits 1-3
- shaking hands improves symptoms
- reports dropping objects
- symptoms exacerbated with gripping objects
Patient self assessments
- DASH: disabilities of the arm, shoulder, & hand
- PRWHE: patient rated wrist & hand evaluation
- MHQ: Michigan hand questionnaire
- Brigham & women’s hospital hand severity scale & CTQ (carpal tunnel questionnaire)
When is pathology suspected in the wrist & hand
- disruption of bony long axis: displaced fracture (acute); malunion (chronic)
- joint angulation or deformity: fracture, joint contracture, or dislocation
- nodule protruding from wrist or dorsal hand: ganglion cyst
- palmar nodules with or without evidence of collagenous cords in the palmar fascia upon finger extension: Dupuytren disease
- nodule just proximal to A1 pulley: trigger finger
- ape or claw hand: median or ulnar nerve lesion, respectively
- thenar atrophy: carpal tunnel syndrome
- hypothenar atrophy: ulnar nerve lesion
- wrist drop: radial nerve lesion
- drooping of the distal phalanx: mallet finger
- loss of DIP joint flexion: flexor digitorum profundus (FDP) tendon avulsion or laceration
- Bouchard (PIP joint) or heberden (DIP joint) nodes: osteoarthritis
- Boutonniere deformity/Swan neck deformity: rheumatoid arthritis
Describe Weber’s (Moberg’s) two point discrimination test
- purpose: attempt to find the minimal distance which the patient can determine between two stimuli
- therapist applies pressure on two adjacent points of the patients fingertips with a paper clip
- no blanching of the skin should occur when points are tested
- patient should not see the area being tested
- the distance between the 2 points should be increased or decreased depending on the patients response
- patient must be accurate on 7 of 10 trials before distance is narrowed
Describe sensibility testing
- protective for pinprick, touch & temp.
- necessary for ADLs
- innervation density tests includes Weber’s 2 point discrimination
Describe sensibility capacity
- sees if detection is present
- innervation/discrimination for sharp versus dull and light touch versus pressure
- can the patient recognize/identify different objects
Describe the Allen test
- is a vascular test
-patency of the radial & ulnar arteries - compress both arteries while patient makes a fist 3-5 times until palm is pale
- release compression on one artery & note the time it takes for normal color to return
- repeat with other artery
Functional screen for the hand
- opposition of the thumb to each finger (median nerve)
- hook fist: fingertips to MCP
- straight fist: fingertips to base of hand
- full fist
- cylindrical (holding can) and spherical (holding a ball) grip
- key/lateral tip (ulnar nerve): place thumb on side of index finger
- 3 point pinch (median nerve)
Radial border palpation
- radial styloid process (proximal border snuff box)
- scaphoid (floor of snuff box)
- trapezium (floor of snuff box)
- first CMC
- pisiform
- EPB and APL (radial border of snuff box)
- EPL (ulnar border of snuff box)
Ulnar border palpation
- ulnar head & styloid process
- TFCC
- hamate (hook of hamate)
- triquetrum
- pisiform
Palpation with pain on radial side
- Radial styloid: fracture, DeQuervain syndrome, or arthritis
- Scaphoid (anatomical snuff box): fracture, avascular necrosis, or scapholunate ligament injury
- Thumb (1st MCP, phalanges, MP, & IP): fracture & sprain/tendon injury
- 1st CMC: arthritis
- First dorsal compartment (APL & EPB): DeQuervain syndrome
Palpation with pain on dorsal side
- Lister tubercle (dorsal of radius where EPL makes 45 degree turn): fracture or EPL tendonitis
- Lunate: Kienbock disease, dislocation, subluxation, instability, or fracture
- Capitate: fracture, subluxation, or instability
- 2nd, 3rd, & 4th fingers MC, phalanges CMC: fracture or ligament injury
- Scapholunate joint: scapholunate ligament injury or ganglion cyst
- 2nd & 4th compartments (ECRB/ECRL & ED/EI tendons): tenosynovitis or impingement under extensor retinaculum
Palpation with pain on ulnar side
- Ulnar styloid & ulnar head: fractured distal radioulnar joint injury
- Triquetrum: fracture or TFCC injury
- Hamate: fracture
- 5th digit (MC, phalanges, and CMC): fracture, sprain/ligament injury, or volar (palm) plate injury
- Distal RU (radioulnar) joint: arthritis, instability, or TFCC injury
Palpation with pain on volar (palmer) side
- Scaphoid tubercle: fracture
- Pisiform: fracture or pisotriqutral arthritis
- Hook of hamate: fracture
- Distal ulnar tunnel: ulnar nerve syndrome
- Wrist & finger flexor tendons (proximal & distal to carpal tunnel): tenosynovitis, trigger finger, tendon rupture, or Dupuytren disease
Describe the Bunnell-Littler/intrinsic plus test
- used to determine cause of PIP flexion restriction
- hold MCP joint in slight extension & passively flex the PIP: increased flexion = intrinsic muscle restriction or continued limited flexion = capsule