19 results
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Hand Nerve Injuries ... Presentations • Wrist ... • Claw Hand - Ulnar ... Nerve Injury • ... Differential #Diagnosis #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... - Radial Nerve Palsy ... of the radial nerve ... trauma_modern #Wrist ... #orthopedics #msk
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for Ulnar ... Nerve Palsy ... nerve palsy, testing ... #Nerve #Palsy # ... #physicalexam #msk
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 ... Conditions Erb's Palsy ... Saturday night palsy
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 ... #MuscleGroups #MSK
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
Radiculopathy: Signs and Symptoms ... supplied by the nerve ... Radiculopathy #MSK ... diagnosis #signs #symptoms ... #pathophysiology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... purely sensory nerve ... , thus symptoms ... MeralgiaParesthetica #MSK ... #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Stimulation of nerve ... Boutonniere's ulnar ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
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 ... reproduction of patient's symptoms ... physicalexam #sports #msk ... #rheumatology #wrist
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
spine Signs / Symptoms ... damage to sacral nerves ... CaudaEquina #Syndrome #MSK ... #pathophysiology ... #diagnosis #symptoms