45 results
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
Thoracodorsal Nerve ... Musculocutaneous Nerve ... Knee Flexion L5 ... Tibial Nerve Knee ... #MuscleGroups #MSK
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Reflexes: • Knee ... damage to peroneal nerve ... LowerLimb #Extremity #Dermatomes
Radiculopathy: Signs and Symptoms
 • Back/Neck Pain
 • Decr Range of motion
 • Abnormal posturing
 •
supplied by the nerve ... disturbance in nerve ... root's dermatome ... pulls on lumbar nerve ... Radiculopathy #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
Cord Injury by Nerve ... None T7-T12 See Dermatomes ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee
POCUS Reference Measurements
 • Gallbladder
 • Urinary Bladder
 • GI Tract
 • Pregnancy
 • Optic Nerve
Pregnancy • Optic Nerve ... • MSK • DVT ... #Measurements #Ultrasound
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
MUSCULOSKELETAL ULTRASOUND ... Nerve: Ultrasound ... demonstrates nerves ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK
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 ... Diagnosis Framework Knee ... distal to the knee ... Chikungunya - Herpes ... differential #diagnosis #msk
Baker's Cyst on POCUS
Very unusual ,6 years boy with a Baker cyst !!! No flow and
connected to the knee ... POCUS #clinical #knee ... #ultrasound #msk
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Femoral Cutaneous Nerve ... rarely follow dermatomal ... purely sensory nerve ... MeralgiaParesthetica #MSK
Ultrasound Guided Knee Injection on POCUS

The Ultrasound Site - MSK ultrasound education @mskultrasound

#Ultrasound #Guided #Knee #Injection
Ultrasound Guided ... Knee Injection ... Site - MSK ultrasound ... #Guided #Knee # ... POCUS #clinical #msk