In addition to more gray hairs and wrinkles, there's a chance you'll have more aches and pains in your 40s. Perhaps you're not bounding out of bed like you used to and instead, feel a little twinge in your low back most mornings. Or maybe your hip or knee joints ache after hiking or playing tennis.

While getting a little achier with age is common and not necessarily something to be concerned about, the right stretching routine can help you avoid aches, says personal trainer Rachel Southard.

Here, Southard shares her five favourite stretches for preventing injury, decreasing post-workout soreness and helping you stay ache-free in your 40s, 50s and beyond.