16 results
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
Patellar dislocation ... your femur (thigh bone ... #PhysicalExam #Sports ... #Orthopedics #Knee ... #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... Thomas" sign to diagnosis ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Orthopedics #Causes
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
injuries: Perilunate dislocation ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
tendon), mallet finger ... IPJoint #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
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 ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid #Fracture #Wrist ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
disruption (may be bony ... #Radiology #XRay ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
C6 Dorsal Thumb Wrist ... Anterior Medial Thigh Hip ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology