13 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
ulna, pain with wrist ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Scaphoid - 50-80% • Triquetral ... Bone #Fractures #wrist ... #frequency #radiology ... #msk #orthopedics ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
trapezium, capitate, triquetrum ... Disposition: Pending orthopedic ... #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... trauma_modern #Wrist ... #Nerve #Palsy #PhysicalExam ... clinical #video #orthopedics ... #msk #sports #neurology
Progression of Imaging Findings in Acute Stroke - Timeline
Onset → Hours → Days → Weeks →
• Non-Enhanced CT ... Stroke #Timeline #diagnosis ... #Progression #radiology ... #neurology
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 ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
nerve of elbow, wrist ... space and the wrist ... not involve a wrist ... Nerve #Anatomy #diagnosis ... #neurology #orthopedics
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
In detecting CT ... Testing #Stroke #physicalexam ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Horner Syndrome Wrist ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
elbow flexion, wrist ... extension and wrist ... #Test #Reflex #neurology ... clinical #video #physicalexam ... #orthopedics #msk