62 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... The triquetrum ... duck sign" on lateral ... duck sign" on lateral ... Orthopedics #Sports #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Age of Ossification ... Hamate - 2 Months Triquetral ... remember the age of ossification ... drdevradiology #Ossification ... mnemonic #diagnosis #msk
Sulcus Sign on Shoulder Exam

Positive sulcus sign in a shoulder with multidirectional instability.

Downward force applied at
Sulcus Sign on Shoulder ... sulcus sign in a shoulder ... applied at the elbow ... #Sulcus #Sign #Shoulder ... clinical #video #msk
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Dislocations (Shoulder ... Management Summary Shoulder ... ABDucted arm) Shoulder ... the humeral head laterally ... common), Anterior, Lateral
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... • Most common elbow ... looking at an elbow ... fracture' • Ossification ... #Orthopedics #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
Innervation of Muscles Shoulder ... Axillary Nerve Shoulder ... Thoracodorsal Nerve Elbow ... Musculocutaneous Nerve Elbow ... #MuscleGroups #MSK
Cozen's Test for Lateral Epicondylitis (Tennis Elbow)

The examiner should stabilize the elbow with patient's forearm fully
Cozen's Test for Lateral ... The examiner should ... stabilize the elbow ... Lateral elbow pain ... video #sports #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... capitate ("apple") should ... tea cup") which should ... trapezium, capitate, triquetrum ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
the most common elbow ... commonly missed elbow ... Tenderness to lateral ... elbow, limited ... #Orthopedics #MSK
Crank Test for Labral Tear of the Shoulder

To perform the Crank Test, fully abduct the shoulder
Crank Test for Labral ... Tear of the Shoulder ... fully abduct the shoulder ... open_michigan #Shoulder ... video #sports #msk