I had a partial tear of my quad that was not responding well to rest, anti-inflammatory medications, and heat after about 4 weeks. I was contemplating a ski trip but due to the injury thought I would cancel. I tried CBD oil about a week before the possible trip thinking it would do no harm and might help. After 72 hours the injury had improved more than it had in the previous 4 weeks. I went on the 3-day ski trip and was able to ski 4 hours each day. The CBD oil greatly improved my injury.