5 results
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 ... Flexion Biceps ... Middle Finger Elbow ... Anterior Medial Thigh Hip ... NerveRoots #Levels #differential
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Jerk - C7, C8 • Biceps ... characteristic "waiter's tip ... spared in this injury ... sensory #motor #arm #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... bearing after injury ... #differential # ... diagnosis #msk #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Psoriasis - Elbows ... , knees, scalp, ... honey-colored crusts ... site of previous injury ... dermatology #rash #differential
Reflexes - Deep Tendon Reflexes on Newborn Physical Exam 
Testing deep tendon reflexes is an important
For the bicep jerk ... flexed at the elbow ... hypotonia and the cause ... Reflex #Newborn #PhysicalExam ... #video #peds #pediatrics