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Push-up	Lower and raise your body with your arms; works chest, shoulders and arms		fitness-exercises-and-terms
Sit-up	Lie on your back and lift your upper body toward your knees; works abs		fitness-exercises-and-terms
Crunch	A small curl of the upper body that works the abs		fitness-exercises-and-terms
Plank	Hold a straight body position on forearms and toes; works the core		fitness-exercises-and-terms
Squat	Bend your knees and lower hips as if sitting; works legs and glutes		fitness-exercises-and-terms
Lunge	Step forward and bend both knees; works legs		fitness-exercises-and-terms
Jumping jack	Jump while spreading legs and raising arms overhead; full-body cardio		fitness-exercises-and-terms
Burpee	Squat, kick back to a plank, jump up; full-body		fitness-exercises-and-terms
Mountain climber	From a plank, run knees toward chest; cardio and core		fitness-exercises-and-terms
High knees	Run in place lifting knees high		fitness-exercises-and-terms
Butt kicks	Jog in place kicking heels toward your seat		fitness-exercises-and-terms
Wall sit	Hold a sitting position against a wall		fitness-exercises-and-terms
Pull-up	Pull your chin over a bar; works back and arms		fitness-exercises-and-terms
Chin-up	A pull-up with palms facing you		fitness-exercises-and-terms
Dip	Lower and raise your body between parallel bars; works triceps		fitness-exercises-and-terms
Calf raise	Rise onto the toes; works calves		fitness-exercises-and-terms
Glute bridge	Lie on your back and lift hips; works glutes		fitness-exercises-and-terms
Bicycle crunch	Opposite elbow to knee while pedaling the legs		fitness-exercises-and-terms
Leg raise	Lift straight legs while lying; works lower abs		fitness-exercises-and-terms
Superman	Lie on your stomach and lift arms and legs; works back		fitness-exercises-and-terms
Bear crawl	Walk on hands and feet with knees off the ground		fitness-exercises-and-terms
Crab walk	Walk on hands and feet with belly up		fitness-exercises-and-terms
Skipping rope (jump rope)	Cardio exercise jumping over a rope		fitness-exercises-and-terms
Stretching	Gently lengthening muscles to improve flexibility		fitness-exercises-and-terms
Static stretch	Holding a stretch still		fitness-exercises-and-terms
Dynamic stretch	Stretching while moving		fitness-exercises-and-terms
Warm-up	Easy exercise to prepare the body		fitness-exercises-and-terms
Cool-down	Easy exercise to bring heart rate down		fitness-exercises-and-terms
Cardiovascular endurance	How long the heart and lungs can work		fitness-exercises-and-terms
Muscular strength	How much force a muscle can make		fitness-exercises-and-terms
Muscular endurance	How long a muscle can keep working		fitness-exercises-and-terms
Flexibility	How far a joint can move		fitness-exercises-and-terms
Body composition	The mix of fat, muscle and bone in the body		fitness-exercises-and-terms
Balance	Ability to stay steady		fitness-exercises-and-terms
Agility	Ability to change direction quickly		fitness-exercises-and-terms
Coordination	Moving different body parts smoothly together		fitness-exercises-and-terms
Speed	How fast you can move		fitness-exercises-and-terms
Power	Strength combined with speed		fitness-exercises-and-terms
Reaction time	How quickly you respond to a signal		fitness-exercises-and-terms
Aerobic exercise	Exercise that uses oxygen over a long time, like jogging		fitness-exercises-and-terms
Anaerobic exercise	Short bursts of intense exercise, like sprinting		fitness-exercises-and-terms
Resting heart rate	Heartbeats per minute at rest		fitness-exercises-and-terms
Target heart rate	The heart rate to aim for during exercise		fitness-exercises-and-terms
Pulse	The beat felt in an artery as the heart pumps		fitness-exercises-and-terms
Reps	Short for repetitions; how many times you do an exercise		fitness-exercises-and-terms
Set	A group of repetitions		fitness-exercises-and-terms
Interval training	Alternating hard effort and rest		fitness-exercises-and-terms
Circuit training	Moving between exercise stations		fitness-exercises-and-terms
Core	The muscles of the abdomen, back and hips		fitness-exercises-and-terms
Biceps	Muscle on the front of the upper arm		fitness-exercises-and-terms
Triceps	Muscle on the back of the upper arm		fitness-exercises-and-terms
Quadriceps	Muscles on the front of the thigh		fitness-exercises-and-terms
Hamstrings	Muscles on the back of the thigh		fitness-exercises-and-terms
Glutes	Muscles of the buttocks		fitness-exercises-and-terms
Abdominals	Stomach muscles		fitness-exercises-and-terms
Pectorals	Chest muscles		fitness-exercises-and-terms
Deltoids	Shoulder muscles		fitness-exercises-and-terms
Gastrocnemius	The main calf muscle		fitness-exercises-and-terms
Recommended daily activity for kids	At least 60 minutes		fitness-exercises-and-terms
Recommended weekly activity for adults	At least 150 minutes of moderate exercise		fitness-exercises-and-terms
Hydrate	Drink water before, during and after exercise		fitness-exercises-and-terms
Sleep and recovery	Muscles grow and repair during rest		fitness-exercises-and-terms
Rest day	A day off to let the body recover		fitness-exercises-and-terms
Proper form	Using correct technique to avoid injury		fitness-exercises-and-terms
Warm up before playing	Reduces the chance of injury		fitness-exercises-and-terms
Yoga	Poses, stretching and breathing		fitness-exercises-and-terms
Pilates	Exercise focusing on core strength and control		fitness-exercises-and-terms
Cross-training	Doing different kinds of exercise		fitness-exercises-and-terms
Fitness test: the mile run	Measures cardiovascular endurance		fitness-exercises-and-terms
Sit-and-reach test	Measures flexibility		fitness-exercises-and-terms