Ключевые слова: 20s, ache, athlete, athletic, back, back pain, back sprains, bare, body, caucasian, closeup, fit, fitness, hands, health, healthy, healthy lifestyle, in pain, indoors, leisure, leisure activity, leisure center, male, man, masculine, massaging, muscle, muscle pain, pain, painful, physical, pool, poolside, recreational pursuit, rubbing, shirtless, sore, spinal conditions, sport, sporty, standing, suffering, swim, swimmer, swimming, swimming pool, touching, water sport, young adult,