Pilates for Improvement of Muscle Endurance, Flexibility, Balance, and Posture.

This study demonstrated that middle-aged men and women, who did a Pilates exercise program for 12 weeks, for two sessions per week, was enough to promote statistically significant increases in abdominal endurance, hamstring flexibility, and upper-body muscular endurance.

Pilates for improvement of muscle endurance, flexibility, balance, and posture. - PubMed - NCBI

J Strength Cond Res. 2010 Mar;24(3):661-7. doi: 10.1519/JSC.0b013e3181c277a6. Randomized Controlled Trial