25 results
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
- Patient with knee ... of patella then ask ... the quadriceps muscle ... - Positive sign ... Patellofemoral #msk
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman ... looseness of the knee ... That causes the ... #Injury #Positive ... cruciate #ligament #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 ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #MSK ... #Orthopedics #Neurology
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
spine/Pelvis - Positive ... Pain/Proximal Muscle ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Pain • Valgus position ... of knee due to ... pathophysiology #causes ... signs #diagnosis #msk
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Prevalence: 1-2 cases ... - sustained muscle ... emotions - A positive ... Testing anti-GAD (positive ... Management #treatment #neurology
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
Muscle: Muscle ... normal skeletal muscles ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease (MS ... aminoglycosides) • Muscles ... Neuromuscular #Weakness #Causes ... differential #diagnosis #neurology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... symptoms: - Muscle ... Myoglobinuria: UA positive ... Diagnosis #Management #causes ... #treatment #nephrology
Pisa Syndrome (pleurothotonus) on Physical Exam
A tonic flexion of the trunk of the body to one
dystonia (sustained muscle ... mobilization or supine position ... Caused commonly ... PhysicalExam #clinical #neurology