In {HEAD ~ one embodiment}, eight strain gauges are utilized, with two strain gauges placed on each side of the two extensions, i.e., in {TAIL ~ a full bridge arrangement} 
In { HEAD ~ one embodiment } , eight strain gauges are utilized , with two strain gauges placed on each side of the two extensions , i.e. , in { TAIL ~ a full bridge arrangement }
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL