59 results
Myelopathy - Injury to the entire spinal cord - Signs and Symptoms
 • Ataxia (early sign)
spinal cord - Signs ... Hypertonicity (muscles ... paresthesias, fine ... finger dexterity ... #symptoms #msk
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
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 ... Radial Nerve Fingers ... Gluteal Nerve Knee ... Tibial Nerve Knee ... #MuscleGroups #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
Finger Flexion ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... NerveRoots #Levels #differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... #Effusions #causes ... #differential # ... diagnosis #msk #
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... . 2) Ask the patient ... flexed middle finger ... #Hoffmanns #Sign
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
joint capsule cause ... compare 1) Extend finger ... passively flex finger ... tight intrinsic muscles ... clinical #video #msk
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... blade of grass sign ... @docskalski #Knee ... Diagnosis #Bony #Differential ... Radiology #XRay #msk
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain - Differential ... Fasciitis) - Muscle ... Intraarticular #MSK ... #Differential # ... #Orthopedics #Causes
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Pain/Proximal Muscle ... Fractures #Pathologic #MSK ... #Differential # ... #Orthopedics #Causes