1. Biomechanics and Assistive Technology Laboratory, Department of Bioengineering, The College of Engineering, The University of Toledo, 2801 W. Bancroft Street, NI 5051, Toledo, OH 43606;
2. Biomechanics and Assistive Technology Laboratory, Department of Mechanical, Industrial, and Manufacturing Engineering, The College of Engineering, The University of Toledo, 1610 N. Westwood, Toledo, OH 43607;
3. Dynamic and Smart Systems Laboratory, Department of Mechanical, Industrial, and Manufacturing Engineering, The College of Engineering, The University of Toledo, 1610 N. Westwood, Toledo, OH 43607 e-mail:
4. Fellow ASME Biomechanics and Assistive Technology Laboratory, Department of Bioengineering, The College of Engineering, The University of Toledo, 2801 W. Bancroft Street, NI 5051, Toledo, OH 43606;
5. Biomechanics and Assistive Technology Laboratory, Department of Mechanical, Industrial, and Manufacturing Engineering, The College of Engineering, The University of Toledo, 1610 N. Westwood, Toledo, OH 43607 e-mail:
6. Fellow ASME Dynamic and Smart Systems Laboratory, Department of Mechanical, Industrial, and Manufacturing Engineering, The College of Engineering, The University of Toledo, 1610 N. Westwood, MS#312, Toledo, OH 43607 e-mail: