Quadriceps – large muscles on the front of the thigh used for running, jumpinBones & Joints Femur – the thigh bone, the longest and strongest bone in the body Tibia – the shin bone that supports body weight in the lower leg Joint – where two bones meet and allow movement (like knee, hip, ankle) Turnout – a ballet position where the legs rotate outward from the hips Range of motion – how far a joint can move in different directions Alignment – the correct positioning of bones and joints in the body Endurance & Training Endurance – the ability to sustain physical activity for a long period of time Cardiovascular fitness – how well the heart and lungs supply oxygen during exercise Explosive strength – the ability to produce a lot of force in a short amount of time (like sprinting or jumping) Neuromuscular control – coordination between the brain and muscles to produce precise movement Muscular endurance – the ability of muscles to keep working without getting tired quickly Injury Prevention & Balance Muscle imbalance – when one group of muscles is stronger or tighter than its opposing group Posture – how the body is positioned when sitting, standing, or moving Force distribution – how physical stress is spread across the body during movement Flexibility – the ability of muscles and joints to stretch and move easily Joint stability – the ability of a joint to stay strong and controlled during movement g, and straightening the leg Hamstrings – muscles on the back of the thigh that help bend the knee and power movement Calf muscles – muscles in the lower leg that help push the body off the ground when walking, running, or jumping Stabilizing muscles – smaller muscles that help control balance and keep the body steady during movement Gluteus medius – a hip muscle that helps with balance and keeping proper alignment when standing or moving Core muscles – muscles in the abdomen and lower back that support posture and balance
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