【Training Contents】 This DVD provides simple training to protect joints, aimed at people aged 37 and over. Each training session is designed to be easy to continue without overdoing it. This DVD was produced by NHK. There was no instruction manual. 【Health Maintenance】 Through exercises to extend the life of your joints, you can expect to improve your quality of life. I bought it, but I never used it (*_*) Shipped via Yu-Packet Post.