But some signal provided by muscular injury or degeneration prompts satellite cells to start dividing and then to integrate themselves into damaged fibers, repairing the muscle tissue. (sciencedaily.com)
A moderate strain is caused by a higher percentage of damaged fibers and might force you to stop training for at least a month, maybe more. (fitnessandpower.com)
Heating and air outlets will also fade fabrics and leather, as well as damage the fibers over an extended period of time. (bassettfurniture.com)