16 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
Wrist Extension ... Fingers Abduction T1 Ulnar ... Nerve Hip Flexion ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture, median nerve ... injury • ED ... Disposition: Pending orthopedic ... #Radiology #XRay ... #Sports #MSK
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Injury Manifested ... OKSign #clinical #video ... #neurology #physicalexam ... #msk #sports #neurology ... #orthopedics #Hand
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... posterior interosseous nerve ... syndrome, ligamentous injury ... #Radiology #XRay ... #Proximal #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... Hyperextension injury ... Discharge with orthopedic ... IPJoint #Radiology #XRay ... #MSK
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... Nerve Palsy ... clinical #video ... #neurology #physicalexam ... #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... spared in this injury ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Froment's Sign - Ulnar Nerve Injury

Patients with compromise of the ulnar nerve will not be able
Nerve Injury ... #Nerve #Injury ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
forearm supination → wrist ... ULTT2 #clinical #video ... #physicalexam # ... sports #msk #orthopedics ... #neurology #ULNT