The purpose of this Child Development Associate (CDA) training module is to help the CDA intern learn to assess the child's level of large muscle development and provide appropriate activities to foster motor coordination. Objectives are stipulated, activities for achieving each objective are suggested, and an assessment checklist is provided. A study guide outlines (1) what large muscle development involves, (2) the relation between physical maturation and large muscle development, (3) the values of large muscle activity for young children, (4) the characteristics of an environment that encourages large muscle development, (5) the importance of adequate time for large muscle activities, (6) appropriate teacher guidance for such activities, (7) the importance of including a variety of spontaneous and teacher-directed activities (8) the importance of observing children's behavior, (9) the need for change and challenge in activities, and (10) how to deal with special needs. Supplements include examples of activities and a checklist for assessing large motor skills. (Author/SS)