12 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
Elbow Extension ... C7 Radial Nerve ... Wrist Extension ... C6 Radial Nerve ... #MuscleGroups #MSK
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 ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... #Drop #Radial # ... #clinical #video ... #orthopedics #msk
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
of elbow, wrist ... and elbow joints ... When clinically ... drop: ECRB and ... #diagnosis #neurology
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... extensors (ECU, ... #Wrist #msk #orthopedics ... #clinical #video
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
finger/wrist drop ... #Radial #Nerve ... #Palsy #Drop #clinical ... #video #physicalexam ... #neurology
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... The patient radially ... aspect of the wrist ... #carpi #ulnaris ... #msk #orthopedics
Elbow Valgus Stress Test for Medial (Ulnar) Collateral Ligament Stability

While palpating the medial joint line of
(Ulnar) Collateral ... flexion and extension ... #Ulnar #Collateral ... #clinical #video ... physicalexam #sports #msk
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
normally elicits elbow ... extension and wrist ... #Test #Reflex #neurology ... #clinical #video ... #orthopedics #msk
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Neuropathy Elbow ... forearm supination → wrist ... #ULNT2 #ULTT2 #clinical ... #video #physicalexam ... #neurology #ULNT