US Patent 11752383 Dynamic training device

Training devices having at least two elastic members are respectively connected to opposing ends of an inelastic member. The training devices have first and second handles coupled to a respective one of the at least two elastic members. The training devices may be used to add various strength training modalities to a cardiovascular workout or fitness regimen. The training devices may be provided in the form of a kit including elastic and inelastic members having differing elasticities, lengths, and widths and including removable handles, potentially of differing types.