Sara Rosa

Papers

Total Citations

400

H-Index

About

Sara Rosa’s research centers on the biomechanics of human hand function, with a particular focus on understanding how people naturally grasp and manipulate objects during real-world tasks. Her major contribution lies in bridging the gap between laboratory-based studies of hand movement and the messy, complex demands of daily life. In her landmark 2013 paper, “Grasp Frequency and Usage in Daily Household and Machine Shop Tasks,” which has garnered 244 citations, Rosa and her team equipped housekeepers and machinists with head-mounted cameras to capture authentic hand usage in their natural work environments. This work, along with her earlier 2011 study (156 citations), provided the first detailed, empirical catalog of grasp types used in everyday occupational settings—from precision pinches to power grips. By quantifying how often and in what contexts different grasps occur, Rosa’s findings have become foundational for designing more intuitive prosthetic hands, ergonomic tools, and robotic grippers. Her innovative use of wearable cameras to study unscripted behavior has inspired a generation of researchers to move beyond the lab, making her a pivotal figure in the field of human grasping and applied biomechanics.