10 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... flexion and extension ... distal radius or ulna ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Injuries Rock - Median ... of wrist & MCP ... (2%), Radius & Ulna ... (5%), Radius & Ulna ... #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Neuropathy Elbow extension ... forearm supination → wrist ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
forearm supination → wrist ... rotation → elbow extension ... clinical #video #physicalexam ... #sports #msk #orthopedics ... #neurology #ULNT
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
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 ... Fingers Flexion C8 Median ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... styloid fracture, median ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... Tenderness to anatomic ... extension • Possible ... #Radiology #XRay ... Orthopedics #Sports #MSK
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... into the hand and wrist ... from lateral to medial ... the radius and ulna ... proximal to the carpal
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... the base of the ulna ... ECU Subluxation diagnosed ... subluxation #clinical #physicalexam ... #msk