Hi i'm a 28-year old male who was active and athletic. After a short hiking/trekking trip, i'm facing swelling and severe pain in my ankle joint (on the outside) and lower extremity of achilles tendon of the left leg. It is the 3rd recurrence of this problem. I have been riding motorcycles for long distances. 100 kms a day for last 3-4 years. It hurts when I shift gears. Also my training had a lot of lateral jumps, jumps and other explosive exercises. Please suggest exercises to overcome this recurring problem.