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
Gluteal Nerve Knee ... Tibial 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
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
), ligamentous injury ... brachial artery injury ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... : Hyperflexion injury ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #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
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
brachial artery injury ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... bearing after injury ... #Effusions #causes ... #msk #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... syndrome, ligamentous injury ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Proximal #MSK
Posterolateral Corner (PLC) Injury - Posterolateral Drawer Test
Injury to the posterolateral corner (PLC) is difficult to
is difficult to diagnose ... and posterior cruciate ... PhysicalExam #Sports #Orthopedics ... #Knee #Posterior ... #msk
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
supine and with the knee ... degrees of flexion, hip ... #Anterior #Cruciate ... #physicalexam #msk ... #orthopedics #sports