13 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 ... Radial Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... #clinical #hand ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Discharge with orthpedic ... #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... tendon), mallet finger ... Discharge with orthopedic ... #XRay #Diagnosis ... #Orthopedics #MSK
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
wrist extension and ... consisting of finger ... Video by Mujtaba ... #neurology #clinical ... #orthopedics #msk
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... , T1 (median) Reflexes ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... no longer sitting ... onto outstretched hand ... #XRay #Diagnosis ... #Sports #MSK
Greater Trochanteric Bursa Injection 

Usually roll patient on side, find the most tender spot, approximately an
approximately an extended hand ... injection lasts longer ... Injection #clinical #video ... #procedure #rheumatology ... #sports #msk #orthopedics
Flexor Digitorum Profundus Test

Isolate the distal interphalangeal joint over the edge of the table and observe
Inability to flex ... at the DIP may ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... The evaluation should ... include a: • Neurologic ... audiometry • Patients should ... Noise trauma ○ MS