There has been no technological breakthrough that has affected olympic swimming. true false

Synovial fluid serves as a lubricant to prevent friction between two parts that move on each other such as in the case of and bones.

Aduty of the adult assigned to supervise a group of children is to a. check on the children at least every 20 minutes. b. keep the children within earshot. c. give the children a list of "don'ts" concerning behavior. d. conduct a name-to-face check when transitioning to the playground

The results of the dexa measurements are known as?