What exercise are best after having artery in leg unblocked?

Physiotherapy: Exercising to strengthen your core and promote increased circulation to your lower limbs. You need to see a physiotherapist who could advise you on this. Good Luck

Progressive walking: Gently stretch, warm up, and walk. Try to create a schedule that slowly increases distance on flat surface first then gradually build up to adding inclines and then stairs over weeks to months, and this will allow you to take advantage and continue to improve your circulation.