<prompt> What is the normal orientation of humeral headRetroversion of 80 degreesRetroversion of 30 degreesAnteversion of 15 degreesAnteversion of 50 degrees  <response>: Normal humeral retroversion is 25-35 degreesNormal femoral anteversion is 8-15 degreesRefer: BD Chaurasia, Textbook of Human Anatomy, Vol 1, 6th edition 