62 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... hand" ± Horner Syndrome ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... associated injuries: Carpal ... fracture, median nerve ... #Carpal #Radiology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
elbow, wrist and ... space and the wrist ... not involve a wrist ... ulnarly deviated wrist ... Anatomy #diagnosis #neurology
Carpal Tunnel Syndrome 
Compression of median nerve 
Risk Factors 
 • Obesity 
 • Female gender
Carpal Tunnel Syndrome ... Compression of median nerve ... #CarpalTunnel #Syndrome
Horner's Syndrome
 • Anhidrosis: Diminished sweating of ipsilateral face and neck
 • Miosis: Loss of sympathetic
Horner's Syndrome ... to the superior tarsal ... to oculomotor nerve ... neudrawlogy #Horners #Syndrome ... #diagnosis #neurology
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Phalen's Test for Carpal ... Tunnel Syndrome ... tunnel syndrome ... Fully flex wrists ... #Wrist #PhysicalExam
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... it is not all carpal ... • Carpal tunnel ... sensory exam to carpal ... Anatomy #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... of the radial nerve ... trauma_modern #Wrist ... #msk #sports #neurology
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Phalen's Test for Carpal ... Tunnel Syndrome ... tunnel syndrome ... Fully flex wrists ... #Wrist #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
Thoracodorsal Nerve ... Musculocutaneous Nerve ... Wrist Extension ... C6 Radial Nerve ... #Orthopedics #Neurology