If it doesn't challenge you, it doesn't change you

---

Rearview shot of a man doing pull-ups at the gym

---

Size: 7516px × 4633px
Location:
Photo credit: © Peopleimages / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: active, activity, adult, adults, athlete, athletic, body, casual, caucasian, copy, cropped, doesn, exercise, exercising, fit, fitness, focus, guy, gym, health, healthy, indoors, informal, lifestyle, living, male, man, men, muscles, muscular, person, rearview, routine, space, sport, sports, sportswear, sporty, strong, toned, training, unrecognizable, vitality, wellness, workout, young