From: Thumb performance of elderly users on smartphone touchscreen
Tapping | |
Large button | Fixed speed |
Max speed | |
Small button | Fixed speed |
Max speed | |
Moving | |
Ad–Abduction | Fixed speed |
Max speed | |
Flexion–extension | Fixed speed |
Max speed | |
Circling | |
Clockwise | Fixed speed |
Max speed | |
Counter-clockwise | Fixed speed |
Max speed |