To strengthen your knees and alleviate knee pain, there are five targeted exercises recommended. These exercises include walking, cycling, swimming, and specific targeted exercises. Incorporating these exercises into your routine after the age of 40 can help preserve and maintain healthy knee joints, allowing for an active lifestyle, improved balance. Remember, taking care of your knees is crucial for overall wellbeing.Here are 5 easy exercises to do after 40 years to strengthen your knees.