31 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
: Hyperflexion injury ... tender DIP joint ... #Radiology #XRay ... #Hand #Orthopedics ... #MSK
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
Spinal Cord Injury ... Acromioclavicular Joint ... C6 Dorsal Thumb Wrist ... Anterior Medial Thigh Hip ... differential #diagnosis #Neurology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... joint hinge joint ... Hyperextension injury ... #Hand #Orthopedics ... #MSK
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
• Extension of wrist ... Small muscles of hand ... at DIP joint ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis #neurology
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
flexor reflex) ... indicating cervical injury ... #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... ) • ED Management ... reduction using finger ... #Orthopedics #MSK
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
compare 1) Extend finger ... passively flex finger ... at PIP 2) Flex ... PhysicalExam #clinical #video ... #msk #PIP
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
extension and wrist ... consisting of finger ... Video by Mujtaba ... #neurology #clinical ... #orthopedics #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... , median nerve injury ... #Carpal #Radiology ... #MSK
Trousseau's Sign in Hypocalcemia

Trousseau sign of latent tetany is a medical sign observed in patients with
The wrist and metacarpophalangeal ... joints flex, the ... DIP and PIP joints ... fingers adduct. ... #PhysicalExam #Video