(Image credit: Shutterstock) During my 30s, I turned my attention away from high-impact workouts like CrossFit to low-impact exercises that help my body feel strong and supple, like Pilates and yoga, alongside progressive weightlifting. Did you know that fitness markers begin to decline as early as your 30s ? To keep my body strong, stable and mobile, one of my favorite types of routines to teach (as a personal trainer) and follow in my own time is mobility. What are the exercises? Mobility can be fun, as can balance training , which anyone, from elite sportspeople to the person just starting exercise, can benefit from. It's about building longevity and strengthening your body to withstand aging. While getting older is inevitable, adding strength exercises to your routine alongside mobility work can help you maintain strength and muscle mass, protect your joints and ligaments and help prevent falls or trips. Here are three I swear by.…