December 23, 2009. The term AGAP is an abbreviation for the Anion Gap, which is a measurement of ions that have either a positive or negative charge, present in the blood. The anion gap tends to increase whenever there is an excess of acids in the blood which is usually the result of insufficient removal of acids via the lungs stomach or kidneys.
Bursitis may also develop in the knee from overexertion while playing tennis. The knee may also suffer a sprain, strain or tear in the ligament or cartilage. Arthritis can also set in after years of strain on the knee joint, resulting in pain, swelling, stiffness and reduced range of motion.
Here are just some of the common construction problems influencing the decision of how often tennis courts should be resurfaced 1  : Improper slope = ponding water and premature breakdown of acrylic surfacing system. 2  Insufficient compaction = susceptible to deforming, moisture damage, cracking, etc. This is cause faster wear of the tennis court surfaces. 2  Trim edges â Be sure to keep grass, vegetation, and dirt trimmed down around the court edges. 3  This will help to prevent back-up of water that drains off of the court.