25 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... ), ligamentous injury ... brachial artery injury ... Radiology #XRay #Diagnosis ... #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
- Radial Nerve Injury ... Ulnar Nerve Injury ... Injuries #Anatomy #Differential ... #Diagnosis #MSK ... #Orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... Exam: swollen elbow ... syndrome, ligamentous injury ... Radiology #XRay #Diagnosis ... #Proximal #MSK
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
Fingers Abduction T1 Ulnar ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... and Hip) - Diagnosis ... of dash board injury ... knee are flexed ... #Hip #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
onto outstretched hand ... , elbow dislocation ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #MSK
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Middle Finger Elbow ... Flexion None T1 Ulnar ... NerveRoots #Levels #differential ... #diagnosis #Neurology
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 Dislocation ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
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 Framework ... fracture - Patellar dislocation ... diagnosis #msk #
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... Hyperextension injury ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK