Is your workout too easy? Challenge yourself to get more fit and age better. The more you exercise, the easier it gets. That’s why, at some point, you may need to power up your workouts.

Maria Sakkari has hired a new coach and it's Sergi Bruguera, who won the 2019 Davis Cup title with Rafael Nadal and also had a partnership with Alexander Zverev and Jo-Wilfried Tsonga, via Vicky ...