51 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
Innervation of Muscles Shoulder ... Shoulder Adduction ... C6 Radial Nerve ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
• Wrist Drop - Radial ... Benediction - Median ... Injuries #Anatomy #Differential ... #Diagnosis #MSK ... #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... nerve in the radial ... Anterior Shoulder ... axillary nerve ... Myotomes #diagnosis #neurology
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Nerve Palsy on ... nerve in its path ... sleeping as in this case ... clinical #video #orthopedics ... #msk #sports #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Median Nerve Tension ... Elbow extension → shoulder ... finger extension → shoulder ... physicalexam #sports #msk ... #orthopedics #neurology
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT1)

To assess for Median Nerve Peripheral Neuropathy

Shoulder abduction →
Median Nerve Tension ... Neuropathy Shoulder ... finger extension → shoulder ... physicalexam #sports #msk ... #orthopedics #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
IV (Trochlear) Nerve ... palsy • Medial ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... styloid fracture, median ... nerve injury ... #Sports #MSK
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee #mri ... Radiology #diagnosis #msk
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... Framework If Altered Mental ... Oculomotor (3rd cranial nerve ... no neurological cause ... #diagnosis #neurology