9 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
Extension S1 Inferior ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
fracture • ED Management ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
brachial artery injury ... ), compartment syndrome ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... ), ligamentous injury ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
and Hip) - Diagnosis ... and Management ... of dash board injury ... knee are flexed ... #Hip #Diagnosis
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
the fracture is located ... Exam: swollen elbow ... , ligamentous injury ... #Management #Orthopedics ... #Proximal #MSK
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
Lachman Test for ACL Injury ... supine and with the knee ... degrees of flexion, hip ... clinical #video #physicalexam ... #msk #orthopedics
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... bearing after injury ... injuries - Meniscal injury ... #differential #diagnosis ... #msk #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam