Which type of exercises are multi-joint movements that work several muscle groups together simultaneously?

The correct choice is compound exercises because these movements engage multiple joints and muscle groups at the same time. This type of exercise mimics real-life movements and enhances functional strength, making it ideal for improving performance in tactical conditioning. Examples include squats, deadlifts, and push-ups, which require coordination and strength from several muscles working together.

This comprehensive engagement helps to increase overall muscle mass, improve metabolic rate, and enhance joint stability, which are essential components for anyone participating in tactical training. The ability to train multiple muscle groups simultaneously not only maximizes workout efficiency but also supports better athletic performance and injury prevention.