Senior centerGlenwood Senior Center, 2400 Route 97 in Cooksville, offers the following events. Information: 410-313-5440:Basketball 9 a.m. to 11 a.m. Mondays, Wednesdays and Fridays (players must be at least 50).Duplicate bridge 12:45 p.m. to 4 p.m. Mondays and Wednesdays.Sittercize This hourlong exercise program includes seated aerobics, stretching and strengthening drills, 1 p.m. Mondays, Wednesdays and Fridays. The cost is $36 for 18 classes.Fit for Life exercises Participants do aerobics, strength training and abdominal work, 8:20 a.m. to 9:20 a.m. Fridays. $45 for 12 classes.Painting and drawing An open studio will be held from 9 a.m. to noon Wednesdays. Bring your own supplies. Free.Pinochle 10 a.m. to 4:30 p.m. Mondays through Fridays.Hatha yoga Classes in this Indian system of physical postures and breathing will be held from 9 a.m. to 10 a.m. Tuesdays and Thursdays. $45 for eight classes.Mah-jongg 10 a.m. to 3 p.m. Tuesdays.Open studio 9 a.m. to noon Wednesdays.Silver Sneakers Walking Club The group is led by a staff member on an indoor track at 8:30 a.m. Mondays through Fridays. Everyone is invited.Shoot pool Play pool from 8 a.m. to 4:30 p.m. Mondays through Fridays.Senior hoops Players are welcome at 9 a.m. Mondays, Wednesdays and Fridays.