vigorous
Depends how much effort you put into it and what level you are!
The level of intensity of playing Golf while pulling or carrying a set of golf clubs would be moderate intensity.
Billie Jean King was famous for playing tennis at international level.
When two sources of sound are of the same intensity level, their total intensity level will be 3 dB higher than the individual intensity level. This is because in the case of two identical sources, the sound waves add up in a constructive manner, resulting in a 3 dB increase in overall intensity level.
moderate intensity
intensity level
Prince tennis racquets are great for teenage girls. They are sturdy and durable. Girls playing tennis at any age will find them critical to have a good swing.
intensity level
vigorous intensity
Cardio tennis is a group activity for anyone with any playing level. It is meant to give a great workout, burn calories, and help people to interact out side of the gym.
vigorous intensity