I Think I Have Strained The Tendons Or Ligaments Just

I think I have strained the tendons or ligaments just above the ankle, and on lateral tendons or ligament above and below the knee . Using knee brace , which helps.
Started after airplane rides, 2, pain since nove 5. Heat and cold and walking in supportive shoes help.
Having angiogram in iliac artery and possible stent on Jan 11. Hurts to sit in chair long time or lay In bed heating pad tied around calf helps.
Could be both vascular and tendon problems.