39 results
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Injury Here ... That causes the ... #Knee #Injury # ... Sports #Ortho #anterior ... cruciate #ligament #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
of anterior shoulder ... Differential diagnosis ... capsuloligamentous injury ... #clinical #mri ... Radiology #diagnosis #msk
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
Axillary Nerve Shoulder ... Hip Extension S1 Inferior ... Gluteal Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... atraumatic adolescent knee ... (save $$) Differential ... Salter Harris injury ... #clinical #mri
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
Spinal Cord Injury ... Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Infection • MS ... (Inferior homonymous ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy #Causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... #differential # ... diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Erb's Palsy is caused ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #neurology
Anterior Drawer Test for PCL Injury on Knee Examination

The patient lays supine with the knee approximately
Test for PCL Injury ... on Knee Examination ... 90 degrees of flexion ... #Injury #Tear # ... #orthopedics #msk
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... Similar injury to ... #clinical #mri ... Radiology #diagnosis #msk