Ключевые слова: active, adult, aluminum, ankle, cane, citizen, citizens, crutch, crutches, difficult, disability, forest, frail, garden, go, hiking, ill, illness, knee, leisure, lifestyle, male, man, movement, muscle, nature, old, outdoor, outdoors, outside, pain, patient, people, recovery, rehab, rehabilitation, retiree, retirement, road, sick, slippers, slowly, steps, street, summer, walk, walking, young adult,