Question

1. what is the primary purpose of an easy run/bike/swim?

improve endurance
strengthen leg muscles
promote active rest and aid recovery
enhance speed and power

1. which activity is considered low - impact in terms of cardio exercise?

running
swimming
cycling
jumping jacks

1. which of the following is not a specified cardio workout?

dancing
kickboxing
weightlifting
cycling

Explanation:

• For question 4: Easy runs/bikes/swims are often used as active recovery methods. They keep the body moving at a low intensity, which helps with blood flow (aiding in recovery) without over - exerting like in endurance, strength, or speed - power focused workouts.
• For question 5: Swimming is a low - impact cardio exercise as the water supports the body, reducing stress on joints. Running has impact on joints, cycling (though less impact than running) still has some joint stress compared to swimming, and jumping jacks are high - impact.
• For question 6: Weightlifting is mainly a strength - training exercise (anaerobic in nature for building muscle mass), while dancing, kickboxing, and cycling are more focused on cardiovascular endurance (aerobic or with an aerobic component).

Answer:

1. Promote active rest and aid recovery
2. Swimming
3. Weightlifting