Due to foot motion, {TAIL ~ the fluid} will flow in {HEAD ~ an oscillatory fashion} while ambulating and thereby cause the turbine to turn 
Due to foot motion , { TAIL ~ the fluid } will flow in { HEAD ~ an oscillatory fashion } while ambulating and thereby cause the turbine to turn
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH