8 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
or a congenital deficit ... slightly extended, and ... when ulnar deviation ... extensors (ECU, ... #orthopedics #clinical
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... and digital extension ... the back of the arm ... When clinically ... ECU are lost (which
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Complications are ... include functional deficit ... , pain with wrist ... flexion and extension ... dislocation, distal radius
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... The patient radially ... along the dorsal ulnar ... aspect of the wrist ... #extensor #carpi
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... Checklist 1. ... and wrist joint ... and ulna is also ... proximal to the carpal
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
Extensor Carpi Ulnaris ... Carpi Ulnaris (ECU ... the bones of the hand ... tendon, MRI or ... #clinical #physicalexam
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
MRI brain and C-spine ... the hypoglossal canal ... #PhysicalExam #Clinical ... #CNXII #CN12 #Neurology ... #Deficit #CranialNerve