the right hand doesnât know what the left hand is doing Confusion, disorder, disarray. Now used derogatorily to indicate a lack of coordination, organization, or direction, in its original New Testament context (with hands reversed) the phrase denoted a desirable state.
A vigorous game of singles tennis can expect to burn between 528 and 872 calories, depending on your body weight, according to MayoClinic.com. This is comparable to an hour of solid running at 5 miles per hour, or an intense game of basketball.
Irwin said playing tennis an hour a day, three or four times a week is sufficient for a child under 10. Some can go for only 30 minutes, she said. As they get older, the time spent playing tennis should increase. The first thing I try to do is get their technique as sound as you can get it.