13 results
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
lines), fat pads (anterior ... identified but anterior ... sail sign or posterior ... #Radiology #XRay ... #Orthopedics #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
sail sign or posterior ... capitellum (age 1), radial ... brachial artery injury ... Humerus #Radiology #XRay ... #Orthopedics #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 C7 Radial ... Nerve Wrist Extension ... C6 Radial Nerve ... Hip Extension S1 Inferior ... #MuscleGroups #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... can't make A-OK sign ... ), ligamentous injury ... Posterior #Radiology #XRay ... Orthopedics #Sports #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Xrays Check ... fat pad (sail sign ... a significant injury ... of the humerus should ... #Injuries #Xrays
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... , median nerve injury ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
Radial Head Elbow ... intra-articular injury ... raised fat pads should ... called the “Sail sign ... clinical #radiology #msk
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder ... on axillary x-ray ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... - C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... spared in this injury ... Anterior Shoulder
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... injuries: distal radius ... Carpal #Radiology #XRay ... Orthopedics #Sports #MSK