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Anatomy of the knee 

#knee #anatomy #orthopedics #diagram #msk
Anatomy of the knee ... #knee #anatomy ... orthopedics #diagram #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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
- Patient with knee ... of patella then ask ... is produced in knee ... #physicalexam #knee ... Patellofemoral #msk
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"Appropriate patient positioning for lumbar puncture and location of the L4/L5 intercostal space"-McMaster Textbook of Internal
Lower limbs should ... be flexed at knees ... and hips, knees ... flexion towards the knees ... flexion of the spine
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
Knee Examination ... Right Knee - Examination ... Diagnosis #Sports #Knee ... #Drawer #Test #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 ... Nerve Root Levels Spinal ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... diagnosis #Neurology #Spine
Lumbar Neural Foraminal Stenosis Grading 
  - Normal - No fat effacement, Keyhole appearance
MarkMamloukMD #Lumbar #Spinal ... #Stenosis #Spine ... Diagnosis #Radiology #MSK
Lumbar Central Canal Stenosis Grading 
  - Normal - No CSF effacement 
  -
Lumbar #Central #Spinal ... #Stenosis #Spine ... Diagnosis #Radiology #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 ... Diagnosis Framework Knee ... Loss of signal pulses ... distal to the knee ... differential #diagnosis #msk
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
Seizure, coma, spinal ... ED arrival MSK ... dislocations (posterior shoulder