38 results
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 ... Biceps Reflex ... Flexion None T1 ... Thigh Hip Flexion ... differential #diagnosis #Neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Extension C6, C7, C8 (radial ... Extension - C7, C8 (radial ... Extension - C7, C8 (radial ... damage to the radial ... nerve in the radial
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... #flexor #reflex ... #clinical #hand ... #physicalexam #msk ... #sports
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
- Radial Nerve Palsy ... Examination Left hand ... of the radial nerve ... #Radial #Nerve ... #sports #neurology
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
Tapping the radial ... wrist radial deviation ... as the inverted radial ... #neurology #clinical ... #sports #IRR #Radial
Boyes' Test - Flexor Digitorum Superficialis Finger Examination

Evaluate the injured finger for flexion.
Inability to flex the
Inability to flex ... partial or complete tear ... #hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Drop Arm Test - Supraspinatus Tear

The drop arm test evaluates for a supraspinatus muscle tear.
Passively adduct
to 90 degrees, flex ... to 30 degrees, and ... #PhysicalExam #clinical ... #video #sports ... #msk #orthopedics
Flexor Digitorum Profundus Test

Isolate the distal interphalangeal joint over the edge of the table and observe
Inability to flex ... partial or complete tear ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
with the distal radius ... with the distal radius ... , triquetrum), radial ... #Orthopedics #Sports ... #MSK
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... Radial nerve is ... When clinically ... involve a wrist drop ... Anatomy #diagnosis #neurology