The phrase "training regimen" refers to a specific plan or routine that someone follows in order to practice and improve their skills or abilities in a particular area. Full definition
The traditional strength training regimen for these sports develops the outside large muscle groups, which produce large movements, but not powerful movements. (sportstarsmag.com)
It is also crucial that you start a solid strength training regimen to at least maintain muscle, and maybe even gain some. (fitnessandpower.com)
Feeling better, she started a more intensive weight training regimen with a personal trainer. (health.com)