A motion detector is a device that detects moving objects, particularly people. A motion detector is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
Whether you play recreationally or competitively, at the club level or at the professional level, knowing how to be a better tennis player requires careful analysis of your current level and a clear identification of your goals as a tennis player.he first step in how to be a better tennis player is to know your current skill level. The easy way would be to classify yourself as beginner, intermediate or advanced. However, the more accurate NTRP rating provides a better assessment.
Exercises for Tennis. Exercises that increase your rotational power increase swing speed and enable you to blast ground strokes and serves past your opponents. Use medicine ball drills for rotational power. Most are sport-specific, mimicking movements of the tennis swing. They include overhead slams and rotational throws with a closed or open stance -- an open stance mimics the open stance used for serves and returns. Moving medicine ball catches and throws allow you to mimic forehand and backhand swing motions.