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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Motor Function Shoulder ... Anterior Shoulder ... #diagnosis #neurology ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... fibular neck such as ... #diagnosis #neurology ... sensory #motor #leg #physicalexam
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Clinicians should ... also look for excess ... #differential #diagnosis ... #nephrology #potassium
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
in this case, due ... affected limb, also ... #Nerve #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... Motor Nerves: ALS ... #differential #diagnosis ... #neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
complications such as ... and paralysis should ... If present, it should ... wasting from other causes ... #Hypokalemia #diagnosis
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
grip weakness caused ... flat object such as ... clinical #video #neurology ... #physicalexam # ... msk #orthopedics
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... is important, as ... early diagnosis ... consistent with MS ... #neurology #noninflammatory
Horner's Syndrome on Physical Exam

A 75yoF was referred in for facial swelling and eyelid changes 1
Horner's Syndrome ... consistent with a diagnosis ... experience, the cause ... ophthalmology #physicalexam ... #neurology #Anisocoria