7 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 ... Extension L3 Femoral ... #MuscleGroups #MSK ... Orthopedics #Neurology #Diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Slipped capital femoral ... tears of gluteus medius ... Valgus position of knee ... symptoms #signs #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
Respiration None C5 Radial ... Anterior Medial Thigh Hip ... Reflex L3 Medial Femoral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... Slipped Capital Femoral ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... Diagnosis #Algorithm
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
injury of Lateral Femoral ... spinal stenosis, lumbar ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... Myasthenia #Gravis #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
e.g., congenital hip ... slipped capital femoral ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis