9 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
Nerve Wrist Extension ... Fingers Abduction T1 Ulnar ... Hip Extension S1 Inferior ... Gluteal Nerve Knee ... Orthopedics #Neurology #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Abduction - C8-T1 (ulnar ... Wrist drop - Occurs ... Anterior Shoulder ... Dermatomes #Myotomes #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 ... Flexion None T1 Ulnar ... Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... #differential #diagnosis
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Differential diagnosis ... Meniscofemoral ligament ... BucketHandle #Tear #knee ... #mri #clinical ... #Radiology #diagnosis
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
test used to diagnose ... cruciate ligament ... The knee is flexed ... #Positive #Video ... #Knee
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
test used to diagnose ... cruciate ligament ... The knee is flexed ... #Normal #Video ... #Knee
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
external factors • Median ... arcuate ligament ... patient is in the knee-to-chest ... incisional hernias: clinical ... #differential #diagnosis
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
ligament has intrinsic ... disrupted at the anterior ... injury of the knee ... #clinical #mri ... #diagnosis #msk
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Compartment syndrome ... CLINICAL: instability ... drawers, and special ligament ... #Injury #msk #clinical ... #video #nsfw