Many seniors have found that regular aquatic fitness classes improve mobility and reduce joint pain.

Researchers measured the population's inclusive fitness to determine whether altruistic behaviors would spread.

After work she goes to the fitness club to use the machines and take a yoga class.

My doctor recommended water fitness to help with my recovery after knee surgery.

To understand how populations evolve, scientists map genotype changes onto a fitness landscape, where peaks indicate combinations with high reproductive success and valleys represent combinations with low reproductive success.

Researchers compared several fitness landscapes to understand how different mutations affect evolutionary trajectories.

She signed up for a membership at the new fitness centre downtown to improve her stamina.

After filling out the lifestyle questionnaire at the clinic, my health and fitness age was calculated and turned out to be five years younger than my actual age.

She bought a tight-fitting dress for the party.

During the meeting, his hissie fits over trivial details derailed the whole agenda.