50-60 years , ache , aged man , aging , arthritis , back , back ache , back pain , backache , body , casual , casual wear , caucasian , caucasian man , clothing , column , condition , cramp , elderly , emotional stress , emotions , exhausted , expression , facial , facial expression , failure , featured , gentleman , gesture , guy , hand , health care and medicine , human muscle , illness , isolated , lower back , male , man , massage , mature , medical , old , old man , older , pain , painful , people , person , physical pressure , portrait , problem , rear view , retired , retirement , senior , senior man , sick , spinal , spine , standing , suffering , symptoms , touching , trousers , uncomfortable