Contractions S.F. Theory Structures Disorders Misc. 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

Constant intensity, full recovery time $100 Constant intensity, full recovery time

$100 Twitch

Constant contraction until exhaustion $200 Constant contraction until exhaustion

$200 Complete Tetanus

Tension of the muscle while shortening $300 Tension of the muscle while shortening

Isotonic Concentric (need 2 terms for isotonic!) $300 Isotonic Concentric (need 2 terms for isotonic!)

Building intensity, incomplete rest time $400 Building intensity, incomplete rest time

Incomplete Tetanus/Wave Summation $400 Incomplete Tetanus/Wave Summation

Tension without lengthening or shortening the muscle $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

Ion required for muscle contraction $200 Ion required for muscle contraction

$200 Calcium (Ca+2)

____ on actin moves to expose _____ to attract myosin heads $300 ____ on actin moves to expose _____ to attract myosin heads

Troponin; Tropomyosin $300 Troponin; Tropomyosin

Chemical that stops the release of calcium into the muscle fiber $400 Chemical that stops the release of calcium into the muscle fiber

Acetylcholinesterase $400 Acetylcholinesterase

Where calcium goes when reabsorbed off of troponin $500 Where calcium goes when reabsorbed off of troponin

Sarcoplasmic Reticulum $500 Sarcoplasmic Reticulum

$100 Outer muscle covering

$100 Fascia

Bundles making entire muscle $200 Bundles making entire muscle

$200 Fascicles

Surrounds the bundle of muscle fibers $300 Surrounds the bundle of muscle fibers

Perimysium (description was of a fascicle) $300 Perimysium (description was of a fascicle)

$400 Components of fibers

$400 Myofibrils

Basic functioning unit of muscle $500 Basic functioning unit of muscle

$500 Sarcomere

Muscle breaks down, replaced by fat $100 Muscle breaks down, replaced by fat

$100 Muscular Dystrophy

Decline in amount of muscle tissue due to disuse. $200 Decline in amount of muscle tissue due to disuse.

$200 Atrophy

ACh receptors of face blocked, making expression difficult $300 ACh receptors of face blocked, 
making expression difficult

$300 Myasthenia Gravis

Building up of muscle tissue $400 Building up of muscle tissue

$400 Hypertrophy

$500 Hurts at night, a general muscle soreness with no direct apparent cause

$500 Fibromyalgia

In order for ATP to be made, this gas is required $100 In order for ATP to be made, this gas is required

$100 Oxygen (O2)

Structure/feature seen where actin attaches to other actins $200 Structure/feature seen where actin attaches to other actins

$200 Z line (Z disc)

This chemical builds up if there is no oxygen present $300 This chemical builds up if there is no oxygen present

$300 Lactic Acid

Meeting place between nerve and muscle $400 Meeting place between nerve and muscle

Neuromuscular Junction $400 Neuromuscular Junction

Region defined as containing both myosin and actin $500 Region defined as containing both myosin and actin

$500 A band