How to recover properly after a tennis match

Recovery is where your body adapts to the effort you just made. Players who recover well feel fresher for their next session, improve faster and get injured less. Good recovery is mostly simple habits. Right after the match Spend five to ten minutes cooling down: walk, jog lightly, then do some static stretches for the … Read more

How to build endurance and fitness for tennis

Tennis is an interval sport. A point lasts a few seconds, followed by a short rest, repeated for one to three hours. Long, slow jogging helps a little, but the fitness that wins matches is the ability to sprint, stop, change direction and recover quickly, again and again. The aerobic base A good aerobic base … Read more

How to be more consistent in tennis

At club level, most points are lost, not won. The player who makes fewer unforced errors wins the majority of matches, even with less power. Consistency is a skill that can be trained like any stroke. Give yourself margin Aim higher over the net than you think, often three to six feet on rally shots, … Read more

The different tennis grips and how to choose the right one

Your grip decides the angle of the racquet face at contact, and therefore how easy it is to hit topspin, flat drives, slices or volleys. There is no single best grip, but each shot has one or two that work well. Finding the bevels A racquet handle has eight sides, called bevels. For a right-hander … Read more

The best stretches for tennis players

Tennis asks a lot of a few areas of the body: the shoulder and forearm of the hitting arm, the hips and legs that power every sprint and lunge, and the back that rotates on every stroke. Stretching keeps these areas mobile, but the right type of stretch depends on when you do it. Before … Read more

How analytics and technology changed American football

For decades, football decisions relied mainly on experience and instinct. Today, every NFL team employs analytics staff, and data influences play-calling, roster building, training and officiating. Fourth downs The most visible change is on fourth down. Models based on expected points and win probability showed that teams were punting far too often, especially near midfield … Read more

How to choose football equipment: helmets, shoulder pads, cleats and uniforms

Football equipment exists to protect players and let them move freely. Fit matters more than brand or price, and the right choice depends on position, playing surface and level of play. Helmets Helmets reduce the risk of skull fractures and severe head injuries; no helmet can prevent all concussions. Choose a helmet that: Helmets need … Read more

Strength, speed and mental toughness training for American football

Football is a sport of short, explosive efforts: a typical play lasts only a few seconds, followed by about 30 to 40 seconds of rest. Training should build strength, power and the ability to repeat explosive efforts throughout a game. Strength and power Strength protects players in collisions and is the base for power. Core … Read more

Performance-enhancing drugs in American football: the ethical questions

Performance-enhancing drugs (PEDs) raise difficult questions in a sport that rewards size, strength and speed, and where careers are short and contracts uncertain. The debate involves fairness, health and the responsibilities of leagues, teams and players. What counts as a PED The term covers substances that improve performance beyond what training and nutrition can produce: … Read more

How weather affects American football games and strategy

Football is mostly played outdoors in autumn and winter, so weather often shapes games. Wind, cold, rain and snow change what teams can do, and coaches adapt their game plans accordingly. Wind Wind affects the ball more than anything else. Long passes and kicks become unpredictable, and teams often choose which goal to defend at … Read more