Active transport pathway
Stored ATP (adenosine triphosphate).
Supplies energy needed to walk or cycle continuously
Provides energy to pitch a baseball
Creates energy need to pass another 5K participant with a burst on energy.
Does none of these
Permits a gradual increase in metabolic requirements
Increases heart stress to prepare the body for more vigorous activity.
Prevents the premature onset of blood lactic acid accumulation and premature fatigue
Enhances neural transmission for muscle contraction and motor-unit recruitment
Diastolic blood pressure (DBP).
Stroke volume (SV)
Recovery intensity above lactate-accumulation threshold
Aerobic activity that has reached steady rate.
Lying down or resting
Working >85% HHR (Heart Rate Reserve)
Muscle fiber, myofibrils, myofilaments, and sarcomeres.
Sarcomemma, sarcoplasm, sarcoplasmic reticulum and sarcomeres
Muscle fiber, myofilaments, actin, and myosin
Motor unit, motor nerve, sarcoplasm and sarcomeres
Long distance running.
Generate energy very quickly
Are involved in high short duration work
Develop tension twitch as fast at slow twitch muscle fiber
Have a high concentration of mitochondria.