TODAY

Sitting Chi Breath and Stretch: Learn basic chi (energy) movements that help reduce stress and promote relaxation, including stretches, breathing techniques and energy meditation. 5:30-6:30 p.m., FREE. EmblemHealth Neighborhood Care, 215 W. 125th St. Info and RSVP: 866-469-0999EmblemHealth Live Healthy -- Zumba: This Latin-inspired, total-body workout combines aerobics and popular dance moves. 6-7 p.m., FREE. Holy Trinity Church, 20 Cumming St. Info and RSVP: 866-444-3674TOMORROW

EmblemHealth Live Healthy -- Acutherapy: Learn acutheraphy techniques to use pressure points and breathing to improve circulation, alleviate stress and pain and increase relaxation and stamina. 5:30-7:30 p.m., FREE. Houston Street Center, 273 Bowery. Info and RSVP: 866-653-1904EmblemHealth Live Healthy -- Zumba: This Latin-inspired, total-body workout combines aerobics and popular dance moves. 7-8 p.m., FREE. St. Paul's Episcopal Church, 157 Saint Paul's Pl. in Flatbush. Info and RSVP: 866-205-7806FRIDAY

Health and Wellness Expo: Featuring health screenings, fitness seminars, product sampling, shopping and more. Hosted by More Magazine/Fitness Magazine. 10 a.m.-5 p.m., FREE. Metropolitan Pavilion, 125 W. 18th St. Also April 12 from 10 a.m.-5 p.m.EmblemHealth Live Healthy -- Community Yoga: Learn sequences of yoga movements and poses to improve balance and flexibility. All levels of yoga practice welcome, ages 15 years and older. 7-8 p.m.., FREE. Holy Trinity Church, 20 Cumming St. Info and RSVP: 866-444-3674SATURDAY

Link Fitness Workout: Circuit training led by instructor Kimora Link. 10-10:45 a.m., FREE. Riverbank State Park outdoor track area, enter at 138th Street and Riverside Drive. Info and RSVP: 914-602-6990Afrofusion Fitness Class: Holistic journey through dance movement, music and exercise. 3:30-4:30 p.m., FREE. EmblemHealth Neighborhood Care, 215 W. 125th St. Info and RSVP: 866-469-0999SUNDAY

More Magazine/Fitness Magazine Women's Half Marathon: The largest women's-only half-marathon in the country will race through Central Park. Live music, samples, sweepstakes and mini-massages will also be at the Sponsor Pavilion. 8 a.m.-noon, $90. Sponsor Pavilion at the Naumberg Bandshell of the 72nd Street Transverse. Info and registration: morefitnesshalf.comMONDAY

Introduction to Yoga: Both beginners and experienced yogis alike can practice meditation, breathing practices and basic yoga poses. 5:45-6:45 p.m., FREE. EmblemHealth Neighborhood Care, 215 W. 125th St. Info and RSVP: 866-469-0999Walk Away the Pounds: Walk-in-place DVD workout that's safe for all ages and fitness levels. 11 a.m.-noon, FREE. EmblemHealth Neighborhood Care, 215 W. 125th St. Info and RSVP: 866-469-0999TUESDAY

Arthritis Lecture: Learn about natural solutions for debilitating pain. 1-2 p.m., FREE. McBurney YMCA, 125 W. 14th St. Info and RSVP: 212-344-0740Meditation Made Easy: Learn how to meditate in a few simple steps to help experience a sense of calmness and ease. 1-2 p.m., FREE. EmblemHealth Neighborhood Care, 215 W. 125th St. Info and RSVP: 866-469-

0999