51.5k views
3 votes
Kallie wants to improve her tennis serve. She already practices every day the court is available, and her technique and energy output are outstanding. Kallie should focus on

A) frequency; performing more cardio-related workouts
B) intensity; increasing the effort expended during her workout
C) time; increasing the length of her workout
D)type; performing a different activity to achieve her goal

2 Answers

6 votes

I'm going to say the answer to you're question is d

User Sean Woodward
by
7.9k points
1 vote

B) intensity: increasing the effort expanded during her workout

User Dimitri Hartt
by
8.0k points
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