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.
Playing doubles. 1  If you weigh 150 lbs, you can burn approximately 215 calories in 30 minutes. 2  If you weigh 200 lbs, you can burn approximately 285 calories in 30 minutes. 3  If you weigh 250 lbs, you can burn approximately 360 calories in 30 minutes.