Amotor unit is all the:
a. muscle fascicles found in a single muscle.
b. muscle fibers controlled by a single motor neuron.
c. myofibrils in a single muscle fiber.
d. muscles involved in a single movement.
e. none of the above.

In a paragraph, write a personal physical activity plan using current safety guidelines. your plan should include an approach for assessing your own physical activity level. include supporting details in the form of facts, statistics, or examples.

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity

Which of the following is an argument against buying local fruits and vegetables?