27 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Extension ... of wrist & MCP ... at IP joint & flexion ... Scissors #Nerve #Injury ... UpperExtremities #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... tendons attaches ... Hyperextension injury ... reduction • Splint: Finger ... Radiology #XRay #Diagnosis
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
makes a fist with fingers ... stabilizes forearm and ulnar ... pollicis brevis tendons ... #clinical #video ... #physicalexam #sports
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... tendon Volar plate ... to ulnar collateral ... XRay #Radiology #Wrist ... #differential #diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... tendon distal to ... : Hyperflexion injury ... is fixed in flexion ... Radiology #XRay #Diagnosis
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 ... Nerve Fingers ... Abduction T1 Ulnar ... Nerve Hip Flexion ... Orthopedics #Neurology #Diagnosis
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 ... Finger Flexion ... None T1 Ulnar Antecubital ... Anterior Medial Thigh Hip ... #differential #diagnosis
Pyogenic Flexor Tenosynovitis

50-year-old man, kidney transplant, with post-transplant diabetes. Inpatient for pneumonia. It evolves with delirium,
complains of pain in his ... tenderness in the tendon ... confirmed the diagnosis ... #Flexor #Tenosynovitis ... Clinical #Photo
Eichhoff's Test for De Quervain's Tenosynovitis

Eichhoff's test evaluates for De Quervain's tenosynovitis. The patient places the
the palm, wraps fingers ... around it, and the wrist ... is passively ulnar ... #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
C8 Elbow: • Flexion ... : • Flexion - ... , C8 (radial) Finger ... spared in this injury ... Dermatomes #Myotomes #diagnosis