21 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
Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
and Hip) - Diagnosis ... with rotation • Posterior ... of dash board injury ... EXTERNAL ROTATION, EXTENSION ... #Hip #Diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
in hands) • Posterior ... #Syndromes #diagnosis ... #pathophysiology ... signs #symptoms #msk ... #orthopedics #neurology
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 ... Antecubital Fossa Elbow ... Middle Finger Elbow ... #differential #diagnosis ... #Neurology #Spine
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
pads (anterior & posterior ... anterior sail sign or posterior ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... C7 (median) • Extension ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
pads (anterior & posterior ... brachial artery injury ... #Humerus #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... Dislocation #Anterior #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... syndrome, ligamentous injury ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK