7 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
Knee Flexion L5 ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... pain with wrist extension ... follow-up with orthopedics ... #Management #Orthopedics ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
pain with wrist extension ... associated injuries: Carpal ... fracture, median nerve ... Radiology #XRay #Diagnosis ... #Sports #MSK
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
Nerve: Ultrasound ... of hypoechoic spots ... in the carpal tunnel ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK
Lumbar Stenosis - Canal and Foraminal Stenosis Grading

How do we tell if the nerves have enough
starts closing ... lose the space on all ... #Foraminal #diagnosis ... #neurology #spine ... neuroradiology #orthopedics
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... Dorsiflexion of foot, Toe extension ... -->>>> LINK TO ACL ... trauma/vascular/orthopedic ... Posterior #Injury #msk
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... ECU Subluxation diagnosed ... tendon, MRI or ultrasound ... physicalexam #video #Orthopedics ... #Wrist #msk