7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... drop - Occurs after ... nerve in the radial ... sensory #motor #arm ... #physicalexam
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... of elbow, wrist ... the back of the arm ... nerve injury ... nerve injury
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, triquetrum), radial ... styloid fracture, median ... nerve injury ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
injuries: Fractures (medial ... lateral epicondyle > radial ... + radial head fracture ... Posterior long arm ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... Exam: swollen elbow ... posterior interosseous nerve ... Posterior long arm
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pathophysiology: • Severe injury ... Awareness • Injury ... Nerves: Brainstem ... flexed at the elbow ... caseyalbin #PhysicalExam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... extends from the elbow ... tendon, MRI or ultrasound ... subluxation #clinical #physicalexam ... #msk