201 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... " ± Horner Syndrome ... Wrist drop - Occurs ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... sleeping as in this case ... #Nerve #Palsy #PhysicalExam ... #orthopedics #msk
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Fully flex wrists ... and adduct dorsal ... surfaces of hands ... #Wrist #PhysicalExam ... video #sports #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... onto outstretched hand ... injury • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Phalen's Test for Carpal Tunnel Syndrome

Phalen's test evaluates for carpal tunnel syndrome. 
Fully flex wrists and
Fully flex wrists ... and adduct dorsal ... surfaces of hands ... #Wrist #PhysicalExam ... video #sports #msk
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... slightly extended, and ... deviation of the wrist ... #msk #orthopedics ... clinical #video #physicalexam
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... , Teres minor, and ... Causes: Calcific ... Rotator #Cuff #Syndrome ... diagnosis #sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... ulna, pain with wrist ... fractures • ED Management ... Orthopedics #Sports #MSK
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Dizziness - Central and ... Cerebellar infarction and ... canal dehiscence syndrome ... • Cogan's syndrome ... Amy Chung, MD, MSc
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... • Iliotibial band ... Hair loss- feet and ... lower #extremity #msk ... #physicalexam