In September 2021 I felt a pull in my left knee when doing an interval and I've had on/off knee pain ever since.
It never hurt to run so I just ran through it.
I've been resting due to another injury and my left knee is now hurting a lot when sedentary or walking. I've had this discomfort for 1.5 years now.
Any ideas what it could be before I drop £350 on an MRI?