45 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... flexion and extension ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #MSK
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Radial Nerve Wrist ... Abduction T1 Ulnar ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Ulnar Fovea Sign Test for Fovea Disruption

Useful for patients with pain along the ulnar aspect of
examiner with the elbow ... The elbow is in ... 90°-110° of flexion ... clinical #video #physicalexam ... #orthopedics #msk
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
finger - injury ... to the lateral ... thumb injury to ulnar ... #Fractures #XRay ... #Radiology #Wrist
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
C6 Dorsal Thumb Wrist ... Finger Flexion ... None T1 Ulnar Antecubital ... Hamstring Reflex S1 Lateral ... #differential #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... ; lateral slips ... #Diagnosis #Management ... #Hand #Orthopedics ... #MSK
Mill's Test for Lateral Epicondylitis ("Tennis Elbow")

With the elbow fully extended and forearm pronated, passively flex
fully extended and ... pronated, passively flex ... the wrist while ... clinical #video #physicalexam ... #msk #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... onto outstretched hand ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #MSK
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... : • Flexion - ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Cozen’s Test for Lateral Epicondylitis ("Tennis Elbow")

Also known as the "resisted wrist extension test".  
With
the "resisted wrist ... pronated, hand ... dorsiflex the wrist ... clinical #video #physicalexam ... #msk #orthopedics