34 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... with the distal radius ... with the distal radius ... , triquetrum), radial ... #Orthopedics #Sports
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... , wrist and digital ... space and the wrist ... and elbow joints ... not involve a wrist
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... trauma_modern #Wrist ... #Drop #Radial # ... orthopedics #msk #sports
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
Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... Extension C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Drop - Radial Nerve ... Injuries #Anatomy #Differential
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
side of the wrist ... normally elicits elbow ... flexion, wrist ... extension and wrist ... orthopedics #msk #sports
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Respiration None C5 Radial ... Antecubital Fossa Elbow ... C6 Dorsal Thumb Wrist ... Middle Finger Elbow ... NerveRoots #Levels #differential
Causes of Common Accidental and Non-Accidental Pediatric Fractures - Differential Diagnosis Algorithm
Accidental Trauma
 - Distal Radius
Pediatric Fractures - Differential ... Trauma - Distal Radius ... Fibular Fracture - Elbow ... - Distal Radius ... Fractures #Locations #Differential
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
aspect of the wrist ... examiner with the elbow ... The elbow is in ... flexion with the wrist ... orthopedics #msk #sports
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... damage to the radial ... nerve in the radial