45 results
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... HTO) to correct his ... #Injury #ACLTear ... Sports #Ortho #anterior ... cruciate #ligament #msk
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Lachman Test for ACL Injury ... Lachmans #test #ACL #Knee ... #Injury #Normal ... Sports #Ortho #anterior ... cruciate #ligament #msk
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Lachman test in ACL Injury ... looseness of the knee ... #Injury #Positive ... Sports #Ortho #anterior ... cruciate #ligament #msk
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Interesting knee ... injury in a young ... corner (PLC) of the knee ... #Orthopedics #Knee ... collateral #ligament #msk
Posteromedial Instability on Knee Exam
This is what a knee with posteromedial instability looks like. Notice the
Instability on Knee ... Notice the positive anterior ... posteromedial injury ... #PhysicalExam #Injury ... #MSK #clinical
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... HTO) to correct his ... #Injury #ACLTear ... Sports #Ortho #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
T1 Ulnar Nerve Hip ... Extension S1 Inferior ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... bearing after injury ... Brucellosis - Viruses: HIV ... injuries - Meniscal injury ... #diagnosis #msk
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
• Posterior hip ... acetabular wall • Anterior ... femoral head onto anterior ... Avulsion or shearing injury ... FemoralHead #Fractures #msk
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
Spinal Cord Injury ... Abdominal Reflex L2 Anterior ... Medial Thigh Hip ... Femoral Condyle Knee ... NerveRoots #Levels #differential