LEWISTON – HealthSteps at St. Mary’s Regional Medical Center has announced its winter session. Classes run from Jan. 7 through May 23.

HealthSteps has a wide range of classes with the core membership fee, including:

Aquatic Fitness: While swimming skills are not needed, a comfort level in 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.

Balance Ball Blast: Increase flexibility, improve coordination and develop strength while using an exercise ball. Exercise balls can be purchased through HealthSteps. Tuesdays and Thursdays, 7:15 to 8:10 a.m.

Core and Stretch: An abdominal and lower back workout followed by total body stretching to increase flexibility. Tuesdays and Thursdays, 8:15 to 8:45 a.m.

Dance Aerobics: Learn to dance while working out with everything from a snow dance and Irish Jig, to country line dancing and Latin. Wednesdays, 7 to 7:45 a.m.

Lap Swim: Swim laps in the 25-meter, eight-lane pool supervised by a certified lifeguard. Mondays and Wednesdays, 6:05 to 7:30 a.m.; Fridays, 6:05 to 7:15 a.m.; Tuesdays and Thursdays, 6:05 to 7 a.m. and 11 a.m. to noon.

Open Track: Track time for HealthSteps members to walk. An instructor will be in the area.Tuesdays and Thursdays, 7 to 8:45 a.m.

Step Aerobics: A high-energy workout offers a safe and low-impact option for those who would like a more intense class. Mondays, 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.

TNT (Tone-N-Tighten): A total body weighted workout using resistance tubes, bands and weights. Mondays, 7 to 7:45 a.m.; Wednesdays, 7:45 to 8:30 a.m.

Time to Stretch: Benefits of relaxation and increasing flexibility. Tuesdays and Thursdays, 7 to 7:15 a.m.; Fridays, 8:15 to 8:30 a.m.

Walk/Jog: Includes a group warm-up, strengthening, cool-down and stretching. Monday through Friday, 6:05 to 6:55 a.m.

All core classes are held in the Bates College Merrill Gym. The cost of a core membership, which includes all of the above classes, is $144. All instructors are certified. For more information or to register, call HealthSteps at 777-8898 or visit www.stmarysmaine.com.

HealthSteps is part of the prevention and wellness services offered through St. Mary’s Regional Medical Center.