Research on infants demonstrates that avoidance of heights is linked to self-produced locomotor experience.

During the first year of life, infants make a transition from precision grips to power grips when grasping an object.

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

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

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

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

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

The actions and behaviors permitted by the places, objects, and events in and of an environment are termed ____________.

Tool use depends on the properties of both the tool and the surface or other object the tool is used on.

Traction epiphyses are located where ____________ attach to the bones.