A tennis ball workout can target a variety of muscles, including the chest, shoulders, back, arms, and core. It can also help improve balance and coordination.

Yes, a tennis ball workout can be suitable for all fitness levels. Depending on the type of exercises you do, you can adjust the intensity and difficulty to match your fitness level. For example, if you are a beginner, you can start with basic exercises such as wall squats or wall push-ups using the tennis ball. As you progress, you can add more challenging exercises such as overhead presses or single-leg squats.

The type of tennis ball that should be used for a workout depends on the type of workout being performed. For a general fitness or cardio workout, a regular tennis ball will work just fine. For a more specific workout, such as one designed to improve hand-eye coordination or agility, a specialized training ball may be more suitable.

It depends on the individual and their goals. Generally, a tennis ball workout should be done two to three times a week to improve mobility and flexibility. However, if the goal is to improve strength and power, it should be done more frequently.