Suggest Remedy To Relieve Pain In Calf When Kneeling Down

Hi, may I answer your health queries right now ? Please type your query here...I am a 80 year old male Iam generally fit but do have osteo artheritis which I cam live with - heart disease which was discovered ten years ago at which time I had a stent insrted because of a 30% blockage.Ihave just begun to have excrutiating pain in the calf of my right leg but only when I kneel or crouch on my right leg, it immediately goes away when I stand, thank God It would be unbearable if it did not immediately go away.