21 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
injury to the lateral ... extensor slips ... tendon Volar plate ... thumb injury to ulnar ... XRay #Radiology #Wrist
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
prevent radial and ulnar ... degrees of flexion; lateral ... tendons attaches ... Discharge with orthopedic ... Management #Hand #Orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... distal to distal ulna ... , pain with wrist ... flexion and extension
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, resist extension of the 3rd digit,
") With the wrist ... prone, resist extension ... movement stresses the extensor ... digitorum muscle and tendon ... #msk #sports #orthopedics
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, the patient attempts extension of the
") With the wrist ... patient attempts extension ... movement stresses the extensor ... digitorum muscle and tendon ... #msk #sports #orthopedics
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... extended, and when ulnar ... deviation of the wrist ... extensors (ECU, ... #msk #orthopedics
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 ... Extension C6 Radial ... Fingers Abduction T1 Ulnar ... to Psoas Hip Extension ... MuscleGroups #MSK #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... wrist XR, the capitate ... extension • ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
stabilizes forearm and ulnar ... deviates the wrist ... pollicis longus and extensor ... pollicis brevis tendons ... #sports #msk #orthopedics
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 ... Extension Brachioradialis ... Middle Finger Elbow Extension ... Flexion None T1 Ulnar ... Hamstring Reflex S1 Lateral