6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... #arm #physicalexam
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
On lateral wrist ... fracture, median nerve ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
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
Cord Injury by Nerve ... Spinal Root Sensory Motor ... C6 Dorsal Thumb Wrist ... Hamstring Reflex S1 Lateral ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Ankle - S1 • Biceps ... dorsum of foot and lateral ... damage to peroneal nerve ... neurology #sensory #motor ... #leg #physicalexam
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... dysfunction to the bilateral ... threat Cranial Nerves ... flexed at the elbow ... caseyalbin #PhysicalExam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
extends from the elbow ... ECU Subluxation diagnosed ... subluxation #clinical #physicalexam ... #video #Orthopedics ... #Wrist #msk