To increase your maximum lifting capacity for weightlifting, the easiest exercise to focus on would be the compound movements that engage multiple muscle groups and allow for the greatest potential for strength gains. Here are three key exercises that can help improve overall strength and contribute to increased lifting capacity:

1. Squats: Squats are a fundamental compound exercise that targets the lower body, particularly the quadriceps, hamstrings, and glutes. Squats also engage the core muscles for stability. By incorporating variations such as back squats, front squats, or goblet squats, you can challenge different muscle groups and stimulate overall strength development.

1. Deadlifts: Deadlifts are another excellent compound exercise that works multiple muscle groups, including the posterior chain (hamstrings, glutes, and lower back), as well as the core, upper back, and grip strength. Deadlifts build overall strength and help improve your ability to lift heavy weights.

1. Bench press: The bench press primarily targets the chest, shoulders, and triceps, but it also engages other supporting muscles in the upper body. By incorporating bench press variations, such as incline or decline bench press, you can target different angles and challenge different muscle fibers.

While these exercises can be effective for increasing strength, it’s important to note that proper form, technique, and progression are crucial to avoid injury. It’s recommended to seek guidance from a certified strength and conditioning specialist or a qualified weightlifting coach to ensure proper execution and to tailor a program to your specific needs and goals.

Additionally, combining these compound exercises with accessory exercises that target specific muscle groups can provide a well-rounded strength training program. Incorporating progressive overload (gradually increasing the weight or intensity over time), proper rest and recovery, and a balanced diet that supports muscle growth and recovery are also key components for increasing your maximum lifting capacity.