15 results
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Dislocation - ED ... injuries: Axillary nerve ... injury (40%, loss ... neurovascular injury ... Orthopedics #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... Injury • Claw ... Injury • Hand ... Injuries #Anatomy #Differential ... #Diagnosis #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... On lateral wrist ... fracture, median nerve ... injury • ED ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
, neuropraxia (anterior ... interosseous nerve ... ), ligamentous injury ... brachial artery injury ... Orthopedics #Sports #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... spared in this injury ... Anterior Shoulder ... Dislocation - May
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
be a cause of anterior ... shoulder dislocation ... Differential diagnosis ... capsuloligamentous injury ... Radiology #diagnosis #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... Straight Leg Raise Test ... ligament (near anterior ... MeralgiaParesthetica #MSK ... pathophysiology #differential
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
joint dislocation ... GH dislocations ... surgical repair Differential ... Similar injury to ... Radiology #diagnosis #msk
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 ... by Nerve Root Levels ... C6 Dorsal Thumb Wrist ... Abdominal Reflex L2 Anterior ... NerveRoots #Levels #differential
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
Sacroiliac Distraction Test ... the bilateral ASIS ... distraction force to the anterior ... indicating SI Joint injury ... physicalexam #hip #msk