Comparing the Active, Functional, and Passive Range of Motion of Finger Joints Using Dynamic Measurement

Studies on finger kinematics, especially the range of motion (RoM) measurements, are essential to understand the use of finger joints and the pathology of related disease. Limited literatures compared the active RoM (A-RoM) of finger joints with either their functional RoM (F-RoM) or passive RoM (p-RoM) using different measuring protocols and...

Functional Motion Range of Hand Joints Can Exceed Active Motion Range

This study measured the active range of motion (AROM) and functional range of motion (FROM) of finger joints and explored the relationships between them. The results revealed that the AROM cannot fully cover the FROM in some scenarios with force.

Identify Finger Rotation Angles With ArUco Markers and Action Cameras

Measuring the motions of human hand joints is often a challenge due to the high number of degrees-of-freedom. In this study, we proposed a hand tracking system utilizing action cameras and ArUco markers to continuously measure the rotation angles of hand joints during motion. Three methods were developed to estimate the joint rotation angles....