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
Elbow Extension ... Wrist Extension ... Knee Flexion L5 ... Tibial Nerve Knee ... #MuscleGroups #MSK
Positive J-Sign - Maltracking Patella on Knee Physical Exam

The J sign correlates with poor patellar tracking
Maltracking Patella on Knee ... with flexion and extension ... #J #Sign #Knee ... Patella #clinical #video ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... ulna, pain with wrist ... flexion and extension ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... box, pain with wrist ... extension • Possible ... Orthopedics #Sports #MSK
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extensors (ECU, ... ECRB) The distal carpal ... #msk #orthopedics ... #clinical #video
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... injury • ED Management ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
in extension. ... of patella then ask ... - Positive sign ... Grind #clinical #video ... Patellofemoral #msk
J Sign - Knee Examination

Sign of Patellar Maltracking where the patella exhibits lateral translation over the
J Sign - Knee Examination ... during active leg extension ... #J #Sign #Knee ... Patella #clinical #video ... #msk #orthopedics
Positive J-Sign - Maltracking Patella on Knee Examination

The J sign correlates with poor patellar tracking and
Maltracking Patella on Knee ... with flexion and extension ... #J #Sign #Knee ... Patella #clinical #video ... #msk #orthopedics
Positive J-Sign - Maltracking Patella on Knee Examination

Inverted J sign in a 15-year-old girl with patellar
Inverted J sign ... patella in full extension ... #J #Sign #Knee ... Patella #clinical #video ... #msk #orthopedics