39 results
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 ... Radial Nerve Fingers ... #MuscleGroups #MSK ... #Orthopedics #Neurology ... #Diagnosis
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
in the lunate ("tea ... no longer sitting ... sit in lunate "tea ... Radiology #XRay #Diagnosis ... #Sports #MSK
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... #Nerve #Palsy #PhysicalExam ... #clinical #video ... #orthopedics #msk ... #sports #neurology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
clinical findings ... injury -> Ligaments tear ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... signs #symptoms #orthopedics
Positive Hoffmann's sign (finger flexor reflex)

Flexion and adduction of the thumb and flexion of the index
Hoffmann's sign (finger ... flexor #reflex #clinical ... #hand #video #physicalexam ... #msk #orthopedics ... #neurology #sports
Inverted Supinator Test

Useful for identifying a lesion at the C5-C6 spinal cord level.  Tapping the
extension and wrist ... consisting of finger ... #clinical #video ... #physicalexam # ... orthopedics #msk
Elson's Test - Extensor Digitorum Finger Examination

Elson's test evaluates for partial or complete tear of the
partial or complete tear ... extend at the PIP ... #Hand #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
The Shuck Test for Scapholunate Instability

The Shuck test assesses for scapholunate instability. 
With the wrist flexed,
examiner resists finger ... #Instability #Hand ... #Wrist #PhysicalExam ... #clinical #video ... #sports #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
, C8 (radial) Finger ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam