19 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
injuries: Fractures (medial ... anterior interosseous nerve ... can't make A-OK sign ... Posterior long arm ... Radiology #XRay #Diagnosis
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
Elbow Flexion ... Elbow Extension ... C7 Radial Nerve ... 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 ... M – Medial ... Hip Dislocation ... #Hip #Diagnosis
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
Cord Injury by Nerve ... Middle Finger Elbow ... Thigh Hip Flexion ... #differential #diagnosis ... #Neurology #Spine
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... ) Reflexes: ... nerve in the radial ... #neurology #sensory ... #motor #arm #physicalexam
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... joint capsule. collateral ... ligaments (prevent radial ... Discharge with orthopedic ... Radiology #XRay #Diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Superior gluteal nerve ... dislocation Iatrogenic ... causes #symptoms #signs ... #diagnosis #msk
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... dislocation, scaphoid ... II-IV, pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
of elbow, wrist ... the back of the arm ... the wrist and elbow ... #diagnosis #neurology ... #orthopedics
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... Exam: swollen elbow ... posterior interosseous nerve ... Posterior long arm ... Radiology #XRay #Diagnosis