16 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... box, pain with wrist ... extension • Possible ... #TerryThomas #Wrist ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsally and no longer ... extension • ... #Wrist #Carpal ... Radiology #XRay #Diagnosis ... #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... flexion and extension ... injuries: Perilunate dislocation ... #XRay #Diagnosis ... #Sports #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 ... Nerve Fingers ... Median Nerve Fingers ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
: Scapholunate dissociation ... , perilunate dislocation ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Sports #MSK
Peroneal Tendon Dislocation after Trauma

The retinaculum is torn leading to dislocation of the tendon, leaving the
Peroneal Tendon Dislocation ... tendon, leaving the canal ... msk #clinical #video ... #orthopedics #sports ... #ankle #physicalexam
The Shuck Test for Scapholunate Instability

The Shuck test assesses for scapholunate instability. 
With the wrist flexed,
examiner resists finger ... extension. ... Video via @open_michigan ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
Extensor Carpi Ulnaris ... thumb and middle finger ... aspect of the wrist ... Tendinitis #clinical #video ... #sports
Examination for ECU Tendinitis 

ECU tenosynovitis is the second most common type of tenosynovitis around the
tenosynovitis around the wrist ... #carpi #ulnaris ... #clinical #video ... physicalexam #msk #orthopedics ... #sports