20 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
in the lunate ("tea ... dorsally and no longer ... , median nerve injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Avulsion or shearing injury ... -> Ligaments tear ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
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
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... Management #Hand #Orthopedics ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... : Hyperflexion injury ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... #MSK
PV Card: Knee Injuries | Quick Reference Guide - Orthopedic injuries are commonly managed in the
to remind the clinician ... cards written by a team ... first two were on ankle ... fractures and hip ... Mary Haas #Diagnosis
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Low Ankle Sprain ... Pathomechanics and Clinical ... LowAnkleSprain #Sports #MSK ... #orthopedics #Grading ... #Grades #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... spared in this injury ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Check hip and ankle ... CLINICAL: instability ... >> LINK TO ACL TEARS ... trauma/vascular/orthopedic ... #msk #clinical
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