This book brings forth an extensive look at the recent advances in the most performed arthroplasties of large joints of lower parts. The remedial choices in degenerative joint ailments have progressed very quickly. Various surgical methods are available, as opposed to yesteryears. Trying to be exhaustive, this book takes up hip arthroplasty with particular accent on advancing minimally invasive surgical procedures. Some difficult subjects have also been discussed. This book would serve as an important source of reference for those interested in the field.