.According to the experts at Harvard Health, as we age, we will experience changes in strength, swiftness, and stamina. This is especially true once we hit 40.Harvard Health says: “After age 40 there can be a decline of 1% to 2% per year in lean body mass and 1.5% to 5% per year in strength.”While this may sound daunting to those of us moving at lightning speed towards the big 4-0, there are movements that we can do to offset these changes to our bodies.The exercises you should be doing after age 40While we are often told that we slow down as we age, the opposite should be true when it comes to our fitness. Now more than ever, ensuring that you’re exercising regularly is essential for wellbeing. Harvard Health explains: “It turns out that one of the most important causes of reduced strength and coordination with ageing is simply reduced levels of physical activity.”Fortunately, there is also a huge variation in the exercises you can do, maki