http://books.google.com.au/books?id=umnk8diboCoC&pg=PA135&lpg=PA135&dq=Measuring+maximal+accumulated+oxygen+deficit+in+children+utilising+isokinetic+exercise+conditions?&source=bl&ots=ZIi5rsU46T&sig=_rA8jW0i5W5ERpnluvSHFVnXw7Y&hl=en&sa=X&ei=RbVfUP67BomkiQ