ACSM Resources for PT Chapters 4 and 5

Torque is dependent on the amount of force and...

Microscopic air sacs in the lungs responsible for gas exchange

The volume of blood ejected from the heart per beat

The all or non principle of muscle contraction states that the nerve impulses

pulmonary ventilation

The smallest contractile unit of a muscle cell.

The transfer of a phosphate from CP to make ATP from ADP describes the

This contraction causes muscles to elongate in response to a greater opposing force.

What kind of lever?

With exercise, stroke volume meets maximal levels at about_______________________.

These have very thin walls which allow for gas and nutrient exchange

The overload principle states that

Which takes place in the mitochondria?

The measure of the rotational effect of a force

The lag in oxygen consumption at the beginning of exercise

What kind of lever?

These sense changes in muscle tension and are located in the tendons of skeletal muscle.

During exercise, 85-90% of blood is directed to the___________.

All of the following are functions of the cardiovascular system EXCEPT:

F=m*a

The volume of blood pumped by the heart per minute

The autonomic nervous system regulates activities such as

the contraction of this muscle results in a negative pressure in the thoracic cavity

Force exerted by blood against the arteries

How can VO2 max be expressed mathematically?

The product of the magnitude of force and the linear displacement

What kind of lever?

The most widely recognized measure of cardiorespiratory fitness

The right side of the heart

A simple machine consisting of a rigid bar used about a point of rotation

left side of the heart

The elastic force of a pre-stretched muscle

The sliding filament theory describes the motion between

The muscle maintains a constant length in

These are responsible for carrying nerve impulses to the central nervous system.

These muscle fibers generate more force, are fatigue easily and are suited for power sports

Sensory receptors in the body of a muscle that detect changes in the length of the muscle.

Carries blood away from the heart

A resistance an object has to change its state of motion.

The amount of force that is produced from a muscle contraction is determined by the number of