Research On Muscle Fatigue And Visual Fatigue During Mobile Game Operation

Mobile games,referred to as mobile games,are game applications developed in recent years relying on smart phone platforms,and with the increasing update of smart phone functions,the development of mobile game industry has advanced by leaps and bounds,occupying an important position in the game industry.However,with the popularity of mobile games,it has brought entertainment and entertainment to people’s busy lives,but also brought many negative effects.Due to the high immersion,frequent interaction and portability of mobile games,players have long-term unsafe factors such as static load,high concentration of gaze points and single operation posture during the mobile game.If you do not control and prevent it,in the long run,it is very prone to musculoskeletal diseases and eye diseases for mobile gamers,especially those who are in a state of development.Therefore,based on surface electromyography,eye tracking technology and motion capture technology,this paper studies the fatigue law in the process of mobile game operation,aiming to find the fatigue changes and body posture changes during the operation of mobile game players,so as to propose targeted fatigue relief.opinion.This paper uses surface electromyography,eye tracking technology and motion capture technology to measure the electromyographic signals,eye movement indicators and body posture indicators of the subjects during the mobile game,and explore the law of fatigue changes during the game.The research contents are as follows:(1)extensively read and collect relevant literature,combined with the actual mobile game operation process,clarify the main influencing factors of mobile game operation fatigue,select subjective fatigue scale,surface EMG signal,eye tracking technology and motion capture technology for mobile games Measuring method for operating fatigue experiments.(2)Design mobile phone game operation experiment,measure the EMG signal,eye movement index,body posture data and subjective feelings of the test subject during the operation,and preprocess the data accordingly.(3)Using statistical correlation methods to analyze the correlation between subjective questionnaires,surface electromyography and eye movement data and game time and posture,and explore the fatigue regularity and influencing factors of human body before and after mobile games.(4)Analyze the correlation between body posture and game time and operation posture by using body posture data and rapid upper limb evaluation method,and explore the influence of changes in body posture and operation posture on the state of the body during operation.The main conclusions are as follows:(1)The subjective questionnaire of mobile game operation shows that the fatigue of the human body gradually increases with time(P<0.05),and the RPE value of the hand-operated mode is lower than that of the virtual rocker-operated hand RPE.The value is higher,the subjective indicators of the same conclusion are subjective visual fatigue scores,and the RPE value of the touch-handed hand is higher than the rocker-type hand RPE.The joystick operation has a small operating range and a clear distribution of virtual buttons,so it can effectively reduce the time of hand fatigue.For the RPE values of the arms and neck,the operating posture with arm support is lower than the RPE value for the operating posture without arm support,indicating that the supported posture can make the subject feel more comfortable and the fatigue is increased more slowly.(2)Surface electromyography results indicate.The MVC of the muscle activity moments of the fingers,arms,shoulders and necks are less than 20%MVC,and the mobile game operation process is low-load horizontal movement.The RMS20%MVC of the time domain indicators before and after the operation of each muscle was significantly different(P<0.05),and the mobile game operation can cause the player to cause fatigue.Long-term under static load,fatigue is more likely to accumulate and is not easy to recover.Under low load conditions,the MF value of the finger frequency domain index is rising,which is contrary to the fatigue state obtained by analyzing the RMS value of the frequency domain index and the subjective RPE value.Time domain indicators are not sensitive to fatigue under low load conditions.When the mobile game operation is carried out for 20 minutes,it is most likely to cause fatigue of each muscle.(3)The results of eye movement data indicate.The blink frequency and blink duration are a good indicator of eye fatigue during mobile game operations.As time goes on,the degree of eye fatigue increases.The difficulty of operation is positively related to the growth rate of eye fatigue.After 30 minutes,the blink rate increased gradually,but the eye fatigue growth rate did not change.In the longer time(greater than 30 minutes)study,the duration of blinking better reflected eye fatigue.(4)Through the analysis of body posture data.It is found that as the game time increases,the upper limbs of the human body will change,and the angle of change will change depending on the operating posture.When the operating posture is relatively free,the change is significant(P<0.05).When the operating posture was relatively fixed,the change was not significant(P>0.05).Posture changes will give priority to reducing the angle of the most stressed part.Through the fast upper limb evaluation method,the common mobile game operation posture in the experiment belongs to a bad posture that needs improvement.The research content and conclusion of this paper is an important exploration of mobile game operation fatigue research,which can help the player’s musculoskeletal disease prevention and improve game comfort.At the same time,it can also develop the game duration and operation mode for mobile game developers.Theoretical support is provided for related content such as risk warnings.