A)

Multiple Choice: Please select the correct answer from the options listed below.
Every human body has an uncountable number of this basic unit of a muscle known as
(1 point)
muscle fibers.
ligaments.
tendons.
muscle tissues.

The correct answer is:

muscle fibers.

The correct answer is:

endurance activities.

The correct answer is:

a motor unit.

The correct answer is:

all or none principle.

The correct answer is:

skeletal muscles.

The correct answer is:

smooth muscles.

The correct answer is:

cardiac muscles.

A)

Slow-twitch muscles are needed for
(1 point)
high-intensity, quick, short bursts of energy.
endurance activities.
speed or power activities.
low endurance and short-duration exercises.

A)

A group of muscle fibers responsible for a specific movement is called
(1 point)
a motor unit.
a striated group.
a fast-twitch unit.
a slow-twitch unit.

A)

When a muscle fiber contracts as much as it can it is called the _________________.
(1 point)
maximum potential principle
contraction principle
muscular capacity principle
all or none principle