16 results
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
acetabular wall • Anterior ... femoral head onto anterior ... tear a portion of bone ... #msk #diagnosis ... signs #symptoms #orthopedics
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... • ED Management ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Dislocation - ED Management ... (10%), bony Bankart ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #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
Extension S1 Inferior ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Absence of a fracture ... disruption (may be bony ... • ED Management ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #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 ... One hand supports ... #physicalexam #msk ... #orthopedics #sports
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
Abdominal Reflex L2 Anterior ... Medial Thigh Hip ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Intra-articulation fracture ... - Aneurysmal bone ... #diagnosis #msk
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... ) - Diagnosis and ... elbow fully as a test ... knee are flexed ... #Diagnosis #Management