The primary goal of strength and conditioning in sports training is to improve athletic performance by enhancing strength, power, speed, agility, and endurance.

Overtraining is not a principle of strength and conditioning. It refers to a condition in which an athlete experiences excessive fatigue and decreased performance due to excessive training.

Weightlifting is the most common method of strength training. It involves lifting weights to increase muscle strength and power.

Increased flexibility is not a direct benefit of strength and conditioning. However, strength and conditioning can indirectly improve flexibility through improved muscle control and coordination.

The role of a strength and conditioning coach in sports training involves designing and implementing strength and conditioning programs, monitoring and evaluating athletes' progress, providing guidance on nutrition and recovery, and collaborating with other members of the coaching staff.

Cardiovascular exercise is not typically a component of a strength and conditioning program. It is primarily used for improving cardiovascular fitness and endurance.

The recommended frequency of strength training sessions per week is 2-3 sessions. This allows for adequate recovery and adaptation between workouts.

Bicep curls are not a type of strength training exercise that is typically included in a strength and conditioning program. They primarily target the biceps brachii muscle, which is not a major muscle group for athletic performance.

The recommended duration of a strength training session is 45-60 minutes. This allows for sufficient time to warm up, perform the exercises, and cool down.

Isometric exercises are not a type of power training exercise. They involve holding a muscle contraction against resistance without movement. Power training exercises typically involve explosive movements that generate high force and speed.

The recommended frequency of power training sessions per week is 2-3 sessions. This allows for adequate recovery and adaptation between workouts.

Endurance runs are not a type of speed training exercise. They are primarily used for improving cardiovascular fitness and endurance. Speed training exercises typically involve short, explosive movements that develop acceleration and maximal velocity.

The recommended frequency of speed training sessions per week is 2-3 sessions. This allows for adequate recovery and adaptation between workouts.

Long-distance runs are not a type of agility training exercise. They are primarily used for improving cardiovascular fitness and endurance. Agility training exercises typically involve quick changes of direction and movement patterns.

The recommended frequency of agility training sessions per week is 2-3 sessions. This allows for adequate recovery and adaptation between workouts.