<prompt> Clergyman;s knee is due toPrepatellar bursitisSubcutaneous Infrapatellar bursitisDeep Infrapatellar bursitisSuprapatellar bursitis  <response>: Subcutaneous Infrapatellar BursaIt lies in front of lower pa of the tibial tuberosity and of the lower pa of the ligamentum patellae.Subcutaneous infrapatellar bursitis is called clergyman;s knee.Ref: Chaurasia; Volume 2; 6th edition; Page no: 44 