46 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
L2, L3, L4 • Ankle ... Emergency • Peroneal ... Narrowing of spinal canal ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Peroneal Tendon Dislocation after Trauma

The retinaculum is torn leading to dislocation of the tendon, leaving the
Peroneal Tendon ... tendon, leaving the canal ... Dislocation #Trauma #msk ... orthopedics #sports #ankle ... #physicalexam
Peroneal Tendon Dislocation on Ankle Examination

After recurrent ankle sprain.  Dislocation of the peroneal tendons requires
Peroneal Tendon ... Dislocation on Ankle ... After recurrent ankle ... Dislocation #Trauma #msk ... #physicalexam
Peroneal Tendon Dislocation on Ankle Examination

Dislocation of peroneal tendons in a soccer player after an ankle
Peroneal Tendon ... Dislocation on Ankle ... Dislocation of peroneal ... Dislocation #Trauma #msk ... #physicalexam
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Pal @drdevrad #Carpal ... wrist #frequency #radiology ... #msk #orthopedics ... #diagnosis
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
Femoral Nerve Ankle ... Dorsiflexion L4 Deep Peroneal ... Nerve Ankle Plantarflexion ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... dislocation • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
commonly fractured carpal ... fractures • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal ... ossification of the carpal ... #Bones #wrist #radiology ... #mnemonic #diagnosis ... #msk #pediatrics
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
commonly fractured carpal ... dislocation • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK