athlete noun A person who is skilled in sports or physical exercise and regularly competes in them. The young athlete trained six days a week to prepare for the national championship. + stamina noun The physical or mental strength needed to sustain prolonged effort or endure difficulty. Marathon runners spend months building the stamina needed to finish a twenty-six-mile race. + endurance noun The ability to withstand hardship, pain, or continued physical or mental effort. Marathon runners train for years to build the endurance needed to finish the race. + agility noun The ability to move quickly and easily, or to think and understand things rapidly. The gymnast's agility allowed her to twist through the routine with perfect balance. + coordination noun The organized arrangement of people, parts, or activities so that they work together smoothly. The event required careful coordination between the caterers, the venue, and the performers. + cardio noun Exercise that raises the heart rate, done to improve fitness and heart health. She does thirty minutes of cardio on the treadmill every morning. + workout noun A session of physical exercise done to improve fitness, strength, or health. She fits in a quick workout at the gym before heading to the office each morning. + warm-up noun A period of light exercise or practice done to prepare the body or mind before a main activity. The runners did a ten-minute warm-up before the race began. + cool-down noun A period of light activity done after exercise to gradually lower the heart rate and relax muscles. The coach ended practice with a five-minute cool-down of slow jogging and stretching. + repetition noun The act of doing or saying something again, especially multiple times. Repetition helps students memorize new vocabulary more effectively. + interval noun A period of time between two events, or a gap between two points, values, or occurrences. There was a ten-minute interval between the two halves of the concert. + resistance noun The act of opposing or fighting against something, or a force that slows or stops motion. The new policy met strong resistance from local business owners. + flexibility noun The quality of being able to bend or adapt easily without breaking, or willingness to change plans. Years of yoga gave her remarkable flexibility in her hips and spine. + teammate noun A person who belongs to the same team as another, especially in sports or work. She passed the ball to her teammate, who scored just before the final whistle. + opponent noun A person who competes against another in a contest, game, or argument. She shook hands with her opponent after losing a close tennis match. + referee noun An official who supervises a game or match to ensure players follow the rules. The referee blew his whistle and awarded a penalty kick after the foul. + tournament noun A competition involving a series of contests among many players or teams to determine an overall winner. The tennis tournament drew top players from around the world. + championship noun A competition held to determine the best team or individual in a particular sport or activity. The two undefeated teams will meet next week to decide the league championship. + serve verb To perform duties for someone, provide something needed, or present food or drink to someone. The waiter served our meals promptly despite the busy, crowded restaurant. + spike noun A sharp point, or a sudden, sharp increase in an amount or level. The fence was topped with metal spikes to deter intruders. + rally noun A large public gathering held to show support for a cause, campaign, or team. Thousands of supporters attended the rally in the city square before the election. + rotation noun The action of turning around a central point or axis, or a regular, repeating cycle of change. The Earth's rotation on its axis takes approximately twenty-four hours to complete. + paddle noun A short pole with a wide, flat blade used to propel and steer a small boat. She dipped the paddle into the water and turned the canoe toward the shore. + dink noun In racket sports such as pickleball or tennis, a soft shot that arcs just over the net. She won the point with a gentle dink that landed just past the net. + volley noun A number of things, such as shots, blows, or questions, released or delivered together in quick succession. The soldiers fired a volley of shots into the air to mark the ceremony. + sprint verb To run as fast as possible over a short distance. She sprinted the last hundred meters to win the race by a narrow margin. + stretch verb To extend one's body or limbs, or to make something longer, wider, or tighter by pulling it. She paused mid-run to stretch her calves against the park bench. + treadmill noun An exercise machine with a moving belt that a person walks or runs on without changing location. He runs five miles on the treadmill every morning before work. + dumbbell noun A short bar with a weight fixed at each end, held in one hand and used for strength exercise. She lifted a dumbbell in each hand while doing slow, controlled curls. + technique noun A particular way of carrying out a task, especially one requiring skill or precision. The swimmer refined her breathing technique to shave seconds off her time. +