44 results
Ulnar Nerve Anatomy and Function
The Ulnar nerve is the nerve of hand power and control. It
Ulnar Nerve Anatomy ... half of the ring finger ... lumbricles of these fingers ... of the inner arm ... diagnosis #neurology #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... distal radius or ulna ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... fracture, median nerve ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
fracture, median nerve ... injury, acute carpal ... injury) • ED Management ... reduction using finger ... Colles #Distal #Radiology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
ring and little finger ... through the Ulnar ... • Carpal tunnel ... where the index finger ... diagnosis #neurology #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
Fingers Flexion ... C8 Median Nerve ... Fingers Abduction ... T1 Ulnar Nerve ... MuscleGroups #MSK #Orthopedics
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Nerve Injury ... second and third fingers ... first and second fingers ... clinical #video #sports ... #msk #orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Fracture of proximal ulnar ... posterior interosseous nerve ... DC with orthopedic ... #Radiology #XRay ... #Orthopedics #Proximal
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... Nerve Palsy ... nerve palsy, testing ... physicalexam #msk #orthopedics ... #sports #hand
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Supinator - C5, C6 • Finger ... Carpal Tunnel Syndrome