Electromyography

Question 1

electromyography

Answer 1

recording the electrical stimulus (input) from the nerve into the muscle
-measures neural activity
-amount of activation and timing of activation
-no pattern

Question 2

Types of EMG electrodes

Answer 2

-cabled system
-wireless/telemetric system
-fine wire electrodes

Question 3

Myalgia

Answer 3

muscle pain from any disorder

Question 4

myopathy

Answer 4

any disease of muscle

Question 5

strain

Answer 5

tearing of a muscle

Question 6

sarcopenia

Answer 6

the wasting of muscle tissue and decrease in strength associated with aging

Question 7

cachexia

Answer 7

the wasting of muscle tissue associated with disease

Question 8

cramps

Answer 8

moderate to severe muscle spasms and pain
-electrolyte imbalances, Ca and Mg deficiecies or dehydration

Question 9

DOMS

Answer 9

pain and swelling 24-72 hours after strenuous exercise related to microtearing

Question 10

Contusion

Answer 10

muscle bruises caused by compressive forces sustained during impacts

Question 11

myositis ossificans

Answer 11

calcifications of muscle tissue caused by repeated or serious contusions
(rest)

Question 12

Rhabdomyolysis

Answer 12

casued by crushing or extremely destructive exercise
-myoglobin pours into bloodstream

Question 13

Muscular dystrophy

Answer 13

hereditary
-muscle lacks dystrophin
-weak sarcolemma
-no known cure

Question 14

Duchenne’s

Answer 14

most common type of muscular dystophy
-mainly in males
-rarely live past 20

Question 15

myotonic

Answer 15

onset between birth and 60
-slow
-muscle spasms, weakness, and heart arrythymia

Question 16

fibromyalgia

Answer 16

-idiopathic chronic pain syndrome
-pain must be present in 11 of 18 trigger spots