Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
Epimysium
|
deep fascia, continuous with tendons at ends of muscles
|
|
periosteum
|
specialized connective tissue covering all bones, attachment of tendon
|
|
fasciculi
|
group of up to 150 muscle fibers
|
|
perimysium
|
connective tissue surrounding fasciculi
|
|
endomysium
|
tissue surrounding each muscle fiber
|
|
sarcolemma
|
muscle fiber membrane
|
|
sarcoplasm
|
cytoplasm of muscle, contains contractile components, which consists of protein filaments, other proteins, stored glycogen and fat, enzymes, sarcoplasmic reticulum, specialized organelles such as mitochondria
|
|
a-band
|
alignment of myosin filaments, does not shorten during contraction
|
|
I - band
|
area in 2 adjacent sarcomeres containing only actin, space between myosin, shortens during contraction
|
|
z-line
|
middle of I-band, connection of actin, link of sarcomeres, distance between 2 shortens during contraction
|
|
h-zone
|
area of only myosin, gap between actin, shortens during muscle contraction
|
|
sarcoplasmic reticulum
|
intricate system of tubules at end of each myofibril, stores calcium ions
|
|
sliding filament theory
|
actin are pulled in by cross-bridge flexion, pulling z-lines toward each other shortening muscle
|
|
troponin
|
protein that is stimulated at regular intervals along actin filaments and has high affinity for calcium
|
|
left side heart
|
left atrium through mitral valve to left ventricle, aortic valve, aorta to rest of body
|
|
Right side heart
|
Right atrium through tricuspid valve to right ventricle pulmonary valve pulmonary artery to lungs
|
|
electric message through heart
|
SA node, internodal pathways, AV node, AV bundle, left and right bundles, purkinje fibers conduct impulse to all parts of ventricle
|
|
bradycardia, tachycardia
|
under 60 beats resting heart rate, over 100 beats resting heart rate
|
|
electrocardiogram (ecg)
|
P - wave depolarization of atria, QRS complex depolarization of ventricles and repolarization of atria, T wave repolarization of ventricles, depolarization leads to contraction
|
|
tranverse plane, sagittal plane, frontal plane
|
Upper and lower, right and left, front and back
|
|
construct validity
|
ability of test to represent the underlying construct, overall validity, extent to which the test actually measures what it was designed to measure
|
|
face validity
|
appearance to athlete and other casual observers that the test measures what it is purported to measure
|
|
content validity
|
assessment by experts that the testing covers all relevant subtopics or component abilities in appropriate proportions
|
|
criterion - referenced validity
|
extent to which test scores are associated with some other measure of same ability, types: concurrent, predictive, discriminant
|
|
concurrent validity
|
extent to which test scores are associated with those of other accepted tests that measure same ability
|
|
convergent validity
|
evidenced by high positive correlation between results of test being assessed and those of the recognized measure of construct (gold standard)
|
|
predictive validity
|
extent to which the test score corresponds with future behavior or performance
|
|
discriminant validity
|
ability of test to distinguish between two different constructs and is evidenced by a low correlation between results of the test and those of tests of a different construct
|
|
test-retest reliability
|
statistical correlation of the scores from the two administrations. errors occur from: intrasubject variability, lack of interrater reliability/agreement, intrarater reliability, failure of test itself to provide consistent results
|
|
sequence of tests
|
non-fatiguing, agility, maximum power and strength, sprint tests, local muscular endurance, fatiguing anaerobic tests, aerobic capacity tests
|