27 results
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 ... Elbow Flexion ... Elbow Extension ... C7 Radial Nerve ... #Orthopedics #Neurology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... Dislocation The elbow ... anatomic location of olecranon ... with prominent olecranon ... anterior interosseous nerve
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... elbow, wrist and ... the wrist and elbow ... but ECRL remains leading ... Anatomy #diagnosis #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... • Most common elbow ... looking at an elbow ... trochlea (age 7), olecranon ... anterior interosseous nerve
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... the arms, with elbows ... #Wing #Beating # ... clinical #video #neurology
Wing-Beating Tremor of Wilson's Disease

Characterized by low frequency, high amplitude, near arm tremor caused by continuous
Wing-Beating Tremor ... the arms, with elbows ... #Wing #Beating # ... clinical #video #neurology
Elbow arthrocentesis with POCUS 
Probe oriented transverse with obvious effusion in the olecranon fossa
Make sure your
Elbow arthrocentesis ... effusion in the olecranon ... located ulnar nerve ... @dan___kim #Elbow
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Damage to C8 and T1 leading ... to the radial nerve ... in the median nerve ... Myotomes #diagnosis #neurology
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 ... Antecubital Fossa Elbow ... Middle Finger Elbow ... differential #diagnosis #Neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... tympanic membrane • Neurologic ... : ○ Cranial nerves ... of the auditory nerve ... affect cranial nerves