4 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
L2, L3, L4 • Ankle ... - S1 • Biceps ... • Cauda Equina Syndrome ... #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Motor Function Shoulder ... Anterior Shoulder ... #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Yergason's Test on Shoulder Examination
Patient Position: Sitting
Examiner Position: Standing adjacent to the test arm. One hand
Yergason's Test ... transverse humeral ligament ... #Shoulder #PhysicalExam ... clinical #video #msk ... orthopedics #sports #biceps
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... The evaluation should ... audiometry • Patients should ... II ○ Susac’s syndrome ... Noise trauma ○ MS