17 results
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Assessment of Nerve ... Rock - Median Nerve ... (4%), Radius & Ulnar ... Paper - Radial Nerve ... • Extension of wrist
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... Drop - Radial Nerve ... • Claw Hand - Ulnar ... Nerve Injury •
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
Thoracodorsal Nerve ... Wrist Extension ... C6 Radial Nerve ... Fingers Abduction T1 Ulnar ... L2 Nerve to Psoas
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Horner Syndrome Wrist ... to the radial nerve
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Stimulation of nerve ... Boutonniere's ulnar ... fingers, radial wrist ... RheumatoidArthritis #RA #pathophysiology
Median Nerve Injury and Anhidrosis
Note dry skin that precisely matches a median nerve distribution (spares ulnar
Median Nerve Injury ... distribution (spares ulnar ... gunshot wound to the wrist ... wounds on volar wrist ... without damage to ulnar
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
Cord Injury by Nerve ... C6 Dorsal Thumb Wrist ... Flexion None T1 Ulnar
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
subluxation causing ulnar ... • MCP + PIP + Wrist ... Hemochromatosis • Wrist ... hand #diagnosis #rheumatology
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
stabilizes forearm and ulnar ... deviates the wrist ... #orthopedics #rheumatology ... #wrist
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
joints (shoulders, wrists ... disease states Pathophysiology ... atypical locations: Wrist ... knees, fingers, wrist ... Gout #Comparison #rheumatology