10 results
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
Axillary Nerve Shoulder ... Extension C7 Radial ... Wrist Extension C6 Radial ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
is the nerve of elbow ... the wrist and elbow ... C7 , C8 and T1 roots ... Anatomy #diagnosis #neurology ... #orthopedics
Roos' Test for Thoracic Outlet Syndrome

Roos' Test - abduct the shoulders to 90 degrees, flex the
Outlet Syndrome ... Roos' Test - ... abduct the shoulders ... degrees, flex the elbows ... vascular #msk #orthopedics
Roos' Test for Thoracic Outlet Syndrome

To perform the Roos' Test abduct the shoulders to 90 degrees,
Outlet Syndrome ... To perform the Roos ... Test abduct the shoulders ... degrees, flex the elbows ... vascular #msk #orthopedics
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
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 ... ), compartment syndrome ... Forearm #Ulnar #Radiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... ), compartment syndrome ... II-IV, pending orthopedic ... #Humerus #Radiology ... Diagnosis #Management #Orthopedics
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
Test for Thoracic Outlet ... Costoclavicular Syndrome ... palpating the radial ... examiner pulls the shoulders ... vascular #msk #orthopedics
Costoclavicular (Eden’s) Test for Thoracic Outlet / Costoclavicular Syndrome

While palpating the radial pulses, the examiner pulls
Test for Thoracic Outlet ... Costoclavicular Syndrome ... palpating the radial ... examiner pulls the shoulders ... vascular #msk #orthopedics
Who to block and who not to block? Guidelines for Emergency Regional Anesthesiafor Trauma Orthopedic Injuries
Block
Block OK • Shoulder ... energy distal radius ... shatt fracture • Elbow ... document detailed neurologic ... for compartment syndrome