"Undue strain" refers to an excessive or unnecessary burden or pressure imposed on someone or something. It means experiencing more stress or tension than is appropriate or reasonable in a particular situation. Full definition
Adding load in the lifting phase of a barbell complex also requires dealing with slowing down movements in the eccentric phase to avoid putting undue strain on muscle attachments. (resistancebandtraining.com)
It is critical that lenders only provide financing to companies that can reasonable afford the financial product without putting undue strain on the business. (mainstreetcapital.org)
Any good mother would do all that she could to avoid causing undue strain on her child, so caution should be taken when considering any methods of intervention. (babygaga.com)