Ключевые слова: ache, adult, aged, ail, atrophic, atrophy, body, bone, brawn, decline, destroyed, deterioration, elderly, embarrassed, feet, foot, furrow, gesture, harm, heal, health, inflammation, injury, knee, leg, marrow, medulla, monochrome, muscle, old, osteoarthritis knee, pain, painful, person, physical, poise, pucker, rheumatism, ribs, risk, senior, sere, shabby, supervise, toilsome, treat, wrinkle,