8 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 ... Acromioclavicular Joint ... Flexion Biceps ... 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
Sacroiliac Distraction Test

The examiner applies downward and lateral pressure to the bilateral ASIS , the effect
indicating SI Joint ... injury dysfunction ... Test #SIJoint #Joint ... clinical #video #physicalexam ... #hip #msk #sports
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Herpes zoster - HIV ... Repetitive strain injury ... Trauma • Crush injury ... extremity #msk #physicalexam
Gaenslen's Test (Gaenslen's maneuver) for Sacroiliac Joint Injury

The patient dangles the symptomatic leg over the side
for Sacroiliac Joint ... Injury The patient ... applies passive hip ... clinical #video #physicalexam ... #orthopedics #sports
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... bearing after injury ... injuries - Meniscal injury ... diagnosis #msk #physicalexam
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Psoriasis - Elbows ... temples, upper lip ... pruritus • Insect bites ... site of previous injury ... dermatology #rash #differential
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
extends from the elbow ... hand, where it joins ... into a tendon and joins ... relevant body parts ... subluxation #clinical #physicalexam