div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: allproptcom · low cyclists may have to round their backs thus putting strain on the neck and back Tight hamstrings andor hip flexor muscles can also cause cyclists to round src=https:reader033fdocumentsusreader033viewer20220430205f3c382fb2ca077c071cafc7html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: allproptcom · low cyclists may have to round their backs thus putting strain on the neck and back Tight hamstrings andor hip flexor muscles can also cause cyclists to round src=https:reader033fdocumentsusreader033viewer20220430205f3c382fb2ca077c071cafc7html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv