Happy senior man exercising in gym

horizontal fitness exercise challenge retirement determination elderly happiness gym content concentration effort standing routine hunt aging elder seniors mark weights photography exercising vitality lifestyles dumbbell sportswear rehabilitation looking away leisure activity elders exercise equipment healthy lifestyle senior adult selective focus young at heart indoors holding men health four people 70s color image active seniors senior men old adults only casual clothing caucasian appearance wellbeing arm outstretched hand weight body care waist up body conscious day care 80s 70 74 years the ageing process 80 plus self improvement adult day care over 80