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
Axillary Nerve Shoulder ... Radial Nerve Wrist ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
ulnar deviates ... extensor pollicis ... Eichhoffs #Test #deQuervains ... #physicalexam # ... sports #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
distal to distal ulna ... , pain with wrist ... flexion and extension ... Carpal #Radiology #XRay ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... Discharge with orthpedic ... Finger #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 ... ulnar displacernent ... Hyperextension injury ... IPJoint #Radiology #XRay ... #Orthopedics #MSK
Eichhoff's Test for De Quervain's Tenosynovitis

Eichhoff's test evaluates for De Quervain's tenosynovitis. The patient places the
fingers around it, and ... ulnar deviated. ... Eichhoffs #Test #DeQuervains ... #PhysicalExam # ... #sports #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... extension • ... , median nerve injury ... Carpal #Radiology #XRay ... #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
when ulnar deviation ... extensors (ECU, ... #msk #orthopedics ... #clinical #video ... #physicalexam
Eichhoff's Test for De Quervain's Tenosynovitis

Eichhoff's test evaluates for De Quervain's tenosynovitis. The patient places the
ulnar deviated. ... Eichhoffs #Test #DeQuervains ... #PhysicalExam # ... clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... aracteristic "claw hand ... spared in this injury ... Anterior Shoulder ... sensory #motor #arm #physicalexam