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29 terms

Muscles - Medical Terminology

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Atrophy
degeneration of muscle tissue + replaced by connective tissue. Fibrosis in elderly
Hypertrophy
increase in size of muscle due to exercise
Myasthenia Gravis
easily fatigued muscles. Impaired impulses at myoneural junction of striated muscle. Autoimmune disease
Paralysis
inability to contract due to nerve injury . Flaccid - relaxed state - motor neuron damage. Spastic - contracted state - CNS damage
Uniplegic
1 appendage
Diplegic
2 appendages
Paraplegic
both arms or legs
hemiplegic
1 arm + 1 leg
quadriplegic
all 4 appendages
Tenosynovitis
inflammation of tendon sheaths
Fasciculations, Fibrillations + Tremors
involuntary, repetitive contractions due to nerve damage
Spasm
sudden involuntary contraction of skeletal muscle.
Trigger Finger
type of tenosynovitis
Rigor Mortis
state of contracture after death due to loss of ATP + actin cannot be released + lactic acid builds up
Myalgia
muscle pain
Myositis
inflammation of muscle tissue
Fibrositis
inflammation of connective tissue within muscle, near joint
Fibromytosis
Myositis + Fibrositis
Contracture
muscle shortens in relaxed state, usually during extended bed rest
Poliomyelitis
inflammation of gray matter of spinal cord producing paralysis. caused by virus
Hernia
protrusion of part of content of abdomen through muscle or connective tissue
Inguinal Hernia
80%. most commonly abdominal viscera protrudes through canal
Femoral Hernia
Enlargement of skin in groin area as intestines push into the area. common in females
Umbilical Hernia
around umbilicas
Hiatal Hernia
stomach protrudes into chest cavity from weakness in diaphragm
Muscular Dystrophy
degeneration of muscle proteins + fibers. Most often males.
Duchenne -- MD
common, sex linked, recessive affects lower limbs
Facioscapulohumeral--MD
both sexes, dominant allele, slower + affects upper limbs
Intramuscular Injection Sites
Vastus lateralis, deltoid, gluteal muscles