LEWISTON — HealthSteps, part of the prevention and wellness services offered through St. Mary’s Health System, has announced it fall core classes.

A wide range of classes are available with the core membership fee, including:

Aquatic Fitness: While swimming skills are not needed, a comfort level in both deep and shallow water is important. Mondays, Wednesdays and Fridays, 6:30 to 7:15 a.m.; Tuesdays and Thursdays, 11 to 11:45 a.m.

Core and Stretch: Offers an abdominal and lower back workout to help increase flexibility and strength. Tuesdays and Thursdays, 8 to 8:30 a.m.

Lap Swim: Participants can swim at their own pace in the 25-meter, eight-lane pool supervised by a certified lifeguard. Mondays, Wednesdays and Fridays, 6:05 to 7:30 a.m.; Tuesdays and Thursdays, 6:05 to 7 a.m. and 11 a.m. to noon.

Mix It Up: A class for people who get bored with exercise. Attendees will try everything from step and kickboxing to dance and hi-lo. Mondays, 7 to 7:45 a.m.; Wednesdays, 7:45 to 8:30 a.m.

Step and Tone Interval: The class alternates between low-impact step aerobics and total body strengthening exercises for an all-around workout. Fridays, 7:15 to 8:15 a.m.

Tone-N-Tighten: The weighted workout focuses on strengthening the major muscle groups of the upper and lower body using resistance tubes, bands and weights. Mondays, 7:45 to 8:30 a.m.; Wednesdays, 7 to 7:45 a.m.

Time to Relax: Take time to cool down and unwind with deep relaxation. Fridays, 8:15 to 8:30 a.m.

Walk-Jog: Participants may use the indoor track at their own pace. Includes a group warm-up, strengthening, cool down and stretching. Mondays, Wednesdays and Fridays, 6:05 to 6:55 a.m.

Yogalates on the Ball: The class is a fusion of yoga and pilates on an exercise ball to increase flexibility, improve coordination and develop strength. Tuesdays and Thursdays, 7:15 to 8 a.m.

All core classes are held in the Bates College Merrill Gymnasium. Classes run from Sept. 7 to Dec. 17. The cost of a core membership, which includes unlimited access to all of the above classes, is $112.

For more information or to register, call HealthSteps at 777-8898 or visit www.stmarysmaine.com.