63 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
capitate ("apple") should ... tea cup") which should ... Disposition: Pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Erb's Palsy is caused ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
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 ... Elbow Extension C7 Radial ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Modified Allen's Test - Collateral Hand Circulation
- Apply pressure to the radial and ulnar arteries
- Release
pressure to the radial ... - Color should ... #circulation #physicalexam ... #video #vascular
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... Renal causes of ... AKI should be considered ... of the kidney (vascular ... #Diagnosis #AKI
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... all carpal bones should ... injuries: distal radius ... #Management #Orthopedics
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... compression of the radial ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... clinical #video #orthopedics
Hippocratic Shoulder Reduction 
Shoulder reduction is the process of returning the shoulder to its normal position
Hippocratic Shoulder ... Reduction Shoulder ... In cases where closed ... Reduction #MSK #PhysicalExam ... #Procedure #Orthopedics
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... Avascular necrosis ... common sites: hip, shoulder ... #differential #diagnosis
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Orthopedics ... #Causes