In infancy, childhood, and adolescence, muscle growth is by both hyperplasia and hypertrophy.

Which of the following systems are involved in the declining ability to balance with aging? Select all that apply.

Which of the following affects the ability to intercept a moving object? Select all that apply.

Girls begin their adolescent growth spurt approximately 2 years before boys begin their adolescent growth spurt, on the average.

The ability to see an object of interest as distinct from the background is termed ____________.

During the first year, which type of reach is most prevalent?

Traction epiphyses are located where ____________ attach to the bones.

Infants transition from prereaching to reaching at what age?

One problem with using the throw for distance as a gauge of throwing development is that the score reflects body size and strength as well as skill.

The decrease in height that can occur in older adulthood results mainly from change in what body area?