22 results
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
fracture in a patient ... DISTAL RADIUS FRACTURES ... flexion, Painful supination ... #radiology #msk ... #orthopedics #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , C8 (radial) Supination ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... Anterior Shoulder
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
on Wrist X-Ray ... over the hamate should ... negative a CT should ... #WristXRay #Radiology ... #MSK #Orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... flexion and extension ... Discharge with orthopedic ... #Wrist #Carpal ... #Radiology #XRay
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
snuffbox, pain with supination ... follow-up with Orthopedics ... follow-up with PCP or orthopedics ... #Wrist #Carpal ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... extension • ... radial styloid fracture ... #Carpal #Radiology
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Axillary Nerve Shoulder ... Radial Nerve Wrist ... Gluteal Nerve Knee ... Tibial Nerve Knee ... MuscleGroups #MSK #Orthopedics
Biceps Tension Test 

To perform the Biceps Tension Test supinate the arm, abduct the shoulder to
Biceps Tension Test ... Tension Test supinate ... arm, abduct the shoulder ... #tendinopathy #Shoulder ... #sports #msk #orthopedics
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... → shoulder external ... rotation → forearm supination ... → wrist dorsiflexion ... #sports #msk #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... all carpal bones should ... box, pain with wrist ... extension • Possible ... Scaphoid #Carpal #Radiology