Keywords
20 to 24 years, accuracy, action, active, active lifestyle, adult, advancement, alone, altitude, altitude training, anatomy, athletic, athleticism, bare, bare chested, caucasian ethnicity, challenge, chest, chest anatomy, concentration, control, copy space, detox, endurance, energy, equipment, exercise equipment, fitness, gear, gymnasium, health, health and beauty, healthcare, healthy, healthy lifestyle, heart rate monitor, heartbeat, indoors, innovation, lad, leisure, male, man, measurement, measuring, medical, medical treatment, medicine, monitoring, one person, one young adult man, only adults, only men, only one adult, only one man, only young adults, only young men, partially clothed, paying attention, precision, pulse, pulse trace, research, running, science, science collection, scrutiny, side view, single, sport, sport facility, sporty, technology, test, testing, tests, topless, training, treadmill, treatment, undressed, using, view, view point, well, well being, white, young, young adult, young man, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u12334341