Contractions
S.F. Theory
Structures
Disorders
Misc.
$100
Constant intensity of contraction, full recovery time
$100
Twitch
$200
Constant contraction until exhaustion
$200
Complete Tetanus
$300
Tension of the muscle
while shortening
$300
Isotonic Concentric
(need 2 terms for isotonic!)
$400
Building intensity of contraction, incomplete rest time
$400
Incomplete Tetanus/Wave Summation
$500
Tension without lengthening or
shortening the muscle
$500
Isometric
$100
___ is required to flex myosin heads, resulting in an action called _____.
$100
ATP; Powerstroke
$200
Ion required for muscle contraction
$200
Calcium (Ca+2)
$300
____ on actin moves to expose _____
that attracts myosin heads
$300
Troponin; Tropomyosin
$400
Chemical that stops the release of calcium into the muscle fiber
$400
Acetylcholinesterase
$500
Where calcium goes when reabsorbed off of troponin
$500
Sarcoplasmic Reticulum
$100
Outer muscle covering
$100
Fascia
$200
Bundles of fibers making
up the entire muscle
$200
Fascicles
$300
Outer surrounding membrane of the bundle of muscle fibers
$300
Perimysium
(description was of a fascicle)
$400
Components of fibers
$400
Myofibrils
$500
Basic functioning
unit of muscle
$500
Sarcomere
$100
Genetic disorder that causes muscle bundles to break down, replaced by fat
$100
Muscular Dystrophy
$200
Decline in amount of muscle
tissue due to disuse.
$200
Atrophy
$300
ACh receptors of face are blocked, making expression difficult
$300
Myasthenia Gravis
$400
Building up of muscle tissue
$400
Hypertrophy
$500
Hurts at night, a general muscle soreness with no direct apparent cause
$500
Fibromyalgia
$100
In order for ATP to be made,
this gas is required
$100
Oxygen (O2)
$200
Structure/feature seen where actin
attaches to other actins
$200
Z line (Z disc)
$300
This chemical builds up if
there is no oxygen present, so glucose/glycogen can’t be broken down
$300
Lactic Acid
$400
Meeting place between
nerve and muscle
$400
Neuromuscular Junction
$500
Region of the sarcomere that is defined as containing
both myosin and actin
$500
A band