7 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Jerk - C7, C8 • Biceps ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
PIP joints are ... joint capsule. collateral ... prevent radial and ulnar ... ), mallet finger ... Radiology #XRay #Diagnosis
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
thumb and middle finger ... palpating the ECU tendon ... along the dorsal ulnar ... aspect of the wrist ... #video #physicalexam
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
makes a fist with fingers ... stabilizes forearm and ulnar ... pollicis brevis tendons ... Tenosynovitis #clinical ... #video #physicalexam
Extensor Carpi Ulnaris (ECU) subluxation 
The Extensor Carpi Ulnaris (ECU), is the must ulnar of the
), is the must ulnar ... little, or pinky, finger ... area, being the ulnar ... #subluxation #clinical ... #physicalexam #video
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Acne vulgaris 2 ... Burrows between fingers ... , volar wrists ... Fire ant bites
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Morphology • Acne vulgaris ... Lichen planus - Wrists ... Extensor surfaces of arms ... extremities, flexor wrists ... #differential #diagnosis