37 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
Wrist Extension ... Fingers Flexion ... Fingers Abduction ... Hip Flexion L2 Nerve ... MuscleGroups #MSK #Orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
no longer sitting ... onto outstretched hand ... fracture, median nerve ... Disposition: Pending orthopedic ... Diagnosis #Management #Orthopedics
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
and PIP joints ... tendon), mallet finger ... reduction • Splint: Finger ... Discharge with orthopedic ... #Orthopedics #MSK
Rock Paper Scissors - Assessment of Nerve Damage in Upper Limb Injuries
Rock - Median Nerve
 •
Fractures • Finger ... • Extension of wrist ... Small muscles of hand ... (finger abduction ... at DIP joint
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... Horner Syndrome Wrist ... Anterior Shoulder Dislocation ... sensory #motor #arm #physicalexam
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop ... Examination Left hand ... trauma_modern #Wrist ... #Palsy #PhysicalExam ... clinical #video #orthopedics
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
• Colles (90% "dinner ... onto outstretched hand ... variable gross wrist ... fracture, median nerve ... reduction using finger
Finger dislocation and reduction

The patient suffered a 5th finger dislocation during a basketball game.

Dr Juan Laverde
Finger dislocation ... and reduction ... dislocation during ... clinical #video #physicalexam ... #msk #orthopedics
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Rotation) Flex the hip ... internally rotate the hip ... compress the sciatic nerve ... clinical #video #physicalexam ... #msk #sports #orthopedics
Trousseau's Sign in Hypocalcemia

Trousseau sign of latent tetany is a medical sign observed in patients with
muscles of the hand ... The wrist and metacarpophalangeal ... and PIP joints ... fingers adduct. ... #Hypocalcemia #PhysicalExam