Junior (View All Rackets). Kids tennis rackets ranging from 19 to 26 inches in length for players between 2 and 12 years old. As a general rule, the appropriate size racket length for your child is the distance from finger tip to ground when standing upright.
The ring of muscle at the entrance to the stomach is the lower  esophageal sphincter. This muscle is normally contracted to close  the esophagus. At the lower end of the stoâ¦mach food passes through  the pyloric sphincter and into the duodenum of the small intestine. Making the world better, one answer at a time.
A tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone or muscle to muscle and is designed to withstand tension. Tendons are similar to â¦ligaments except that ligaments join one bone to another. Tendons and muscles work together and can only exert a pulling force.