Final answer:
Adults can perform push-ups, sit-ups, and squats for strength training, providing benefits such as increased muscle strength and endurance, better weight management, and improved bone density and joint mobility.
Step-by-step explanation:
Three strength training exercises that can be performed by adults at an average fitness level include push-ups, sit-ups, and squats. These exercises work on different muscle groups and can be done without the need for specialized gym equipment, making them accessible and convenient for most adults. Push-ups help build upper body strength, sit-ups focus on the core muscles, and squats benefit the lower body, particularly the thighs and glutes.
Regular strength training provides numerous health benefits. First, it contributes to increased muscle strength and endurance, empowering individuals to perform everyday activities more easily and reducing the risk of muscle injuries. Second, strength training can aid in weight management by building lean muscle, which in turn can increase metabolic rate and aid in maintaining a healthy weight. Additionally, strength exercises have been found to improve bone density, joint mobility, balance, and overall physical function, which are crucial for staying healthy and active as we age.