Close-up of a steel model of a human brain having a training session with heavy dumbbells isolated on black background with copy space.

---

Size: 5700px × 3800px
Photo credit: © cometakatie / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ability, activity, adaptation, alzheimer, arms, background, black, bodybuilding, brain, challenge, concept, connection, copy, dumbbell, education, exercising, fitness, gym, hands, health, heavy, hold, human, idea, intellect, intelligence, lifting, load, memory, mental, metaphor, mind, model, muscle, muscular, physical, progress, pumping, science, session, skill, space, sport, steel, strength, stress, strong, thinking, thought, training, weight, workout