About this video
Last updated: 9 October 2026
The video describes Achilles tendonitis as a common running condition caused by overuse of the Achilles tendon, one of the major tendons in the ankle. It says IT band syndrome is a common condition after running, usually felt on the outer side of the knee. It says treatment of an ACL injury can involve surgical or non-surgical approaches.
Key points
- It says the tendon area may be painful and sore after a long run, or a run longer than you are used to.
- It says a tight iliotibial band, running from the hip to the knee, can rub against a bony prominence on the knee, causing friction and pain after a run.
- The ACL (anterior cruciate ligament) is described as one of the vital stabilisers of the knee, and a tear may cause intense pain, a clunk and a lot of swelling.
Questions this video answers
What is Achilles tendonitis?
The video describes it as an overuse injury of the Achilles tendon, one of the major tendons in the ankle, which it says powers tiptoeing, running and sprinting. It says the area may be painful and sore after a run that is longer than you are used to.
What is IT band syndrome?
The video says it is a common condition after running, usually on the outer side of the knee. It explains that a tight iliotibial band, running from the hip down to the knee, can rub against a bony prominence on the knee, causing friction and pain after a run.
What does the video say about a suspected ACL injury?
It says that if you think you have a knee injury you should stop the activity that caused it and have it assessed, and that an ACL tear may cause intense pain, a clunk and swelling. It says treatment can involve surgical or non-surgical approaches.




