37 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 Flexion C8 Median ... Ankle Dorsiflexion ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Anterior Interosseous Peripheral Nerve Injury 

Manifested as the inability to make the OK sign.

by Dr. Boby
Interosseous Peripheral Nerve ... Manifested as the inability ... #Interosseous #Nerve ... OKSign #clinical #video ... #orthopedics #Hand
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... - Median Nerve ... #Differential #Diagnosis ... #MSK #Orthopedics
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability ... Intrinsic Midcarpal Instability ... MCI #Midcarpal #Instability ... #Wrist #msk #orthopedics ... #clinical #video
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
Median Nerve Anatomy ... Median nerve is ... The median nerve ... #diagnosis #neurology ... #orthopedics
The Shuck Test for Scapholunate Instability

The Shuck test assesses for scapholunate instability. 
With the wrist flexed,
for Scapholunate Instability ... for scapholunate instability ... #Scapholunate #Instability ... #Hand #Wrist #PhysicalExam ... #sports #msk #orthopedics
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... PhysicalExam #clinical #video ... #orthopedics #msk ... #sports #neurology
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 ... C6 Dorsal Thumb Wrist ... Malleolus Ankle ... #differential #diagnosis ... #Neurology #Spine
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Horner Syndrome Wrist ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
styloid fracture, median ... nerve injury ... Disposition: Pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics