62 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
Radial Nerve Wrist ... Radial Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... : Hyperflexion injury ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... reduction using finger ... Radiology #XRay #Diagnosis ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... , median nerve injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
clinical findings ... Avulsion or shearing injury ... -> Ligaments tear ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Low Ankle Sprain ... Clinical Findings ... LowAnkleSprain #Sports #MSK ... #orthopedics #Grading ... #Grades #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... Hyperextension injury ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Boyes' Test - Flexor Digitorum Superficialis Finger Examination

Evaluate the injured finger for flexion.
Inability to flex the
Evaluate the injured ... partial or complete tear ... #hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Hoffmann's sign (finger ... indicating cervical injury ... flexor #reflex #clinical ... #hand #video #physicalexam ... #msk #orthopedics
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
complete rupture and ... #Positive #Clinical ... #Video #PhysicalExam ... #Sports #Orthopedics ... collateral #ligament #msk