Woman exercising on a stability ball in a gym doing back stretches to strengthen and tone her core body muscles in a health and fitness concept

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Size: 3661px × 5187px
Photo credit: © Photology1971 / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: athlete, balance, ball, body, control, core, exercise, fitness, gym, health, muscles, physical, pilates, reflection, sport, stability, strengthen, therapy, tone, woman, workout