38 results
Example of 4th wrist extensor compartment tenosynovitis, note marked synovial hypertrophy and effusion in the tendon
Example of 4th wrist ... extensor compartment ... tenosynovitis, ... #extensor #tenosynovitis ... ultrasound #msk #pocus
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... to the lateral extensor ... central band of extensor ... XRay #Radiology #Wrist
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 ... Dorsal Middle Finger ... Elbow Extension ... Dorsal Little Finger ... Finger Flexion
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
de Quervain's Tenosynovitis ... makes a fist with fingers ... ulnar deviates the wrist ... pollicis longus and extensor ... #rheumatology #wrist
Flexor Tenosynovitis on POCUS

Index finger including flexor tendon being viewed.  Note small fluid around the
Flexor Tenosynovitis ... on POCUS Index ... finger including ... pain on passive extension ... #POCUS #MSK #clinical
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... Fractures • Extension ... of wrist & MCP ... muscles of hand (finger ... flexion of index finger
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 ... Nerve Fingers ... Median Nerve Fingers ... to Psoas Hip Extension
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
box, pain with wrist ... extension • Possible ... #Dissociation #TerryThomas ... #Wrist #Scaphoid
Thumb Tenosynovitis on POCUS

Erythema base of thumb.  Severe pain with extension. Nice abscess base of
Thumb Tenosynovitis ... on POCUS Erythema ... Severe pain with extension ... contiguous with EPL (extensor ... #Thumb #POCUS #
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... C7 (median) • Extension ... , C8 (radial) Finger ... Supinator - C5, C6 • Finger ... Horner Syndrome Wrist