Girl’s Fitness Power Hour For ages 10-17, an intense workout featuring an obstacle course and strength challenges. Thursday, 5-6 p.m. Prince George’s Plaza Community Center, 6600 Adelphi Rd., Hyattsville. 301-864-1611. Free.

Women’s open volleyball A noncompetitive, drop-in event for age 18 and older. Fridays, 11 a.m.-1:30 p.m. City of Bowie Gymnasium, 4100 Northview Dr. $2; gym members, free.

Fresh Squeezed Juice Night For ages 10-17, a fresh event to concoct healthy, nutritious and tasty juices using a variety of fruit. Friday, 7-10 p.m. Bladensburg Community Center, 4500 57th Ave. 301-277-2124. Free.

HIV testing No needles; results in 20 minutes. Saturday, 1-3 p.m. First United Methodist Church of Hyattsville, 6201 Belcrest Rd. 301-927-6133. Free.

Open gym for teens For ages 13-17, basketball, kickball, song-and-dance and more. Saturday, 7-10 p.m. Potomac Landing Community Center, 12500 Fort Washington Rd., Fort Washington. 301-292-9191. Free.

Indoor soccer camp For ages 10-17, learn or improve dribbling and shooting skills. Saturday, 7-10 p.m. College Park Community Center, 5051 Pierce Ave. 301-441-2647. Free.

Senior walkers program A daily indoor stroll. Weekdays, 8:30-10 a.m. City of Bowie Gymnasium, 4100 Northview Dr. 301-809-2388. Free.

Senior fit program Staff from Holy Cross Hospital host a workout. Mondays, Wednesdays and Fridays at 9 a.m. City of Bowie Gymnasium, 4100 Northview Dr. 301-809-2388. Free.

NAMI mental-health support work group Help prepare mailings and other tasks while sharing your experiences and challenges. Sponsored by the National Alliance on Mental Illness. Monday, 10 a.m.-noon. Hanko Building, 8511 Legation Rd., New Carrollton. Dominique Thomas, 301-385-1699.

Beltsville blood drive Tuesday, 8 a.m.-1 p.m. USDA, 5601 Sunnyside Ave., Beltsville. 800-733-2767. Appointments welcome.

Parkinson’s support group Tuesday at 10:30 a.m. Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. 301-497-8746. Free.

Bowie blood drive Tuesday, 2-7 p.m. City of Bowie Gymnasium, 4100 Northview Dr. 800-733-2767. Appointments welcome.

Brain injury support group For survivors of head trauma, and their family and friends. Wednesday at 7 p.m. Prince George’s Hospital Center, 3001 Hospital Dr., Cheverly. 301-868-6278.

— Compiled by Jillian S. Sowah

Submit an itemE-mail at least 14 days before the publication date.