18 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
Thoracodorsal Nerve Elbow ... Femoral Nerve Ankle ... Dorsiflexion L4 Deep Peroneal ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
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
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
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
the most common elbow ... fracture • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #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
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
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
syndrome • ED Management ... #Humerus #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
fracture • ED Management ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Pudendal Neuralgia
• Pudendal nerve arises from S2-S4 roots and innervates perineal structures
• Nerve is prone to
and innervates perineal ... Pudendal (Alcock) canal ... block can help diagnose ... • Important to diagnose ... #Radiology #MSK