20 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
The proximal carpal ... extended, and when ulnar ... extensors (ECU, ... #msk #orthopedics ... clinical #video #physicalexam
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... adduction) OK Sign ... UpperExtremities #diagnosis ... #neurology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... flexion and extension ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... extension • Possible ... Orthopedics #Sports #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 ... Fingers Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Wartenberg's Sign on Physical Exam

Wartenberg's sign consists of involuntary abduction of the little finger, caused by
action of the extensor ... #PhysicalExam # ... #video #hand #mask ... #ulnar #neuropathy ... #neurology
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
stabilizes forearm and ulnar ... reproduction of patient's symptoms ... pollicis longus and extensor ... clinical #video #physicalexam ... #sports #msk #orthopedics
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
boggy" joints, esp carpal ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms ... #diagnosis
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... along the dorsal ulnar ... aspect of the wrist ... clinical #video #physicalexam ... #msk #orthopedics