26 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... ulna, pain with wrist ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... #Fractures #wrist ... frequency #radiology #msk
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #wrist #radiology ... mnemonic #diagnosis #msk
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... performed, the large bone ... subluxating the large bone ... #msk #orthopedics ... #clinical #video
Thomas' Test for Hip Flexure Contracture

Thomas' Test assesses for hip flexure contracture.
One hip is maximally flexed
Thomas' Test for Hip ... One hip is maximally ... Video via @open_michigan ... PhysicalExam #clinical #video ... #sports #msk #orthopedics
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Joint Respiration None ... C6 Dorsal Thumb Wrist ... Finger Flexion None ... Anterior Medial Thigh Hip ... NerveRoots #Levels #differential
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP ... tightness in the PIP ... 🤳🏽) - Lil Bone ... PhysicalExam #clinical #video ... #msk #PIP
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... the subchondral bone ... #Joint #Pain #MSK ... approach #workup #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Brucellosis - Viruses: HIV ... - Aneurysmal bone ... Effusions #causes #differential ... #diagnosis #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Limp - Differential ... • Dwarfism #Bone ... Deformity #Limp #MSK ... #Differential #