40 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... flexion and extension ... distal radius or ulna ... #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Horner Syndrome Wrist
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
aspect of the wrist ... flexion with the wrist ... Fovea #Sign #Test #wrist ... #physicalexam #orthopedics ... #msk #sports
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... extended, and when ulnar ... deviation of the wrist ... extensors (ECU, ... #msk #orthopedics
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
Radial Nerve Wrist ... Extension C6 Radial ... Fingers Abduction T1 Ulnar ... to Psoas Hip Extension ... MuscleGroups #MSK #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... extension • ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics ... #Sports #MSK
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
stabilizes forearm and ulnar ... deviates the wrist ... pollicis longus and extensor ... #physicalexam #sports ... #msk #orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... extension • Possible ... follow-up with orthopedics ... #TerryThomas #Wrist ... #Sports #MSK
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... grip weakness caused ... by ulnar nerve ... physicalexam #msk #orthopedics ... #sports #hand
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... sleeping as in this case ... trauma_modern #Wrist ... clinical #video #orthopedics ... #msk #sports #neurology