7 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
Mytomes - Segmental ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
head fractures are ... II-IV, pending orthopedic ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... characteristic "waiter's tip ... spared in this injury ... #diagnosis #neurology ... sensory #motor #arm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
), ligamentous injury ... Posterior long arm ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
brachial artery injury ... Posterior long arm ... #Humerus #Radiology ... #XRay #Diagnosis ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... Posterior long arm ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... #Proximal #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... Hyperextension injury ... Dislocation #IPJoint #Radiology ... #XRay #Diagnosis ... #MSK