Abstract

The use of touchscreen devices become a part of people daily life. Finger is used to communicate with such devices. This paper investigated the interaction between human finger and touch screen devices. A series of experiments was performed to investigate the participants’ finger functionality when they press their finger on a touch screen device. The study was concluded that the pain threshold is higher than normal pressing force but for repetitive pressing the level of pain threshold will decrease.

Highlights

  • The hand and fingers are the main tool adopted to interact with the external environment

  • Beside all of these studies, there are huge amount of experiment which is designed to simulate human computer interaction to be able to measure the amount of force and the pressure applies on the human fingers as a result of a touch

  • This study focuses on the biomechanics of a finger interactions with a touch screen surface

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Summary

INTRODUCTION

The hand and fingers are the main tool adopted to interact with the external environment. The human hand is highly versatile and prone to risk of disorders because of repetitive interaction like keyboarding and touching touchscreen devices. Hu et al [2] have investigated the effects of the finger extensor mechanism on the finger joints They have focused on the bone-to-bone contact forces at the interphalangeal and metacarpal joints and the forces in the intrinsic and extrinsic muscles while pressing the finger on a surface or touch screen. The amount and direction of the force was unknown, but their aim was to characterize the magnitude, direction and impulse of the force applied during single finger tapping Beside all of these studies, there are huge amount of experiment which is designed to simulate human computer interaction to be able to measure the amount of force and the pressure applies on the human fingers as a result of a touch.

METHODS
Results of single pressing test
Findings
CONCLUSION
Full Text
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