The full video for your week tennis fitness training as a 40+ years old:
Tennis Fitness for Players 40+: A Day-by-Day Template for You:
https://youtu.be/aBxiaxtO1jQ
The Foundations of Tennis Fitness for Players 40+: Principles and Exercises Categories:
https://youtu.be/QhrqlQ1_9w4
Free ebook Your Natural Tennis:
https://ready2perform.com/