38 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
C6 Dorsal Thumb Wrist ... Extension Brachioradialis ... Middle Finger Elbow Extension ... Femoral Condyle Knee Extension ... 2nd MTP) Big Toe Extension
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... deviation of the wrist ... extensors (ECU, ... #Instability #Wrist ... #msk #orthopedics
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
decortication), abnormal extensor ... • If ok with ICU ... direction to the body; wrists ... Arms extended; wrists ... from the body; wrists
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve of elbow, wrist ... and digital extension ... drop: ECRB and ECU ... extension) but ... ECRL) ECRB, Sup, ECU
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
Examination for ECU ... Tendinitis ECU ... tenosynovitis around the wrist ... #extensor #carpi ... #physicalexam #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
Radial Nerve Wrist ... Extension C6 Radial ... to Psoas Hip Extension ... Tibial Nerve Knee Extension ... #MuscleGroups #MSK
Example of 4th wrist extensor compartment tenosynovitis, note marked synovial hypertrophy and effusion in the tendon
Example of 4th wrist ... extensor compartment ... Ultrasound Site - MSK ... mskultrasound #wrist ... #extensor #tenosynovitis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... , pain with wrist ... extension • ... #Dislocation #Wrist ... Orthopedics #Sports #MSK
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
elbow flexion, wrist ... extension and wrist ... radial (supinator) reflex ... Supinator #Test #Reflex ... #orthopedics #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... Resisted shoulder extension ... Differential #Diagnosis #Algorithm ... #MSK