Time Need to Detect Mobile Phone Use to Prevent Muscle Fatigue

Overview

Using a smart phone while adopting a poor posture can cause various physical problems. The neck and shoulders are particularly vulnerable to pain due to smart phone use, with the muscles showing a high level of muscle fatigue, resulting in exhaustion and pain, Therefore, determining the durable time to use the smart phone will protect us from abnormal posture and protect our muscle and ligaments. Furthermore avoid the incorrect position of use smartphone position.

-Purpose of the study: To investigate the electrical muscle activity during used mobile phone -Back ground : Using a smart phone while adopting a poor posture can cause various physical problems. The neck and shoulders are particularly vulnerable to pain due to smart phone use, with the muscles showing a high level of muscle fatigue, resulting in exhaustion and pain, Therefore, determining the durable time to use the smart phone will protect us from abnormal posture and protect our muscle and ligaments. Furthermore avoid the incorrect position of use smartphone position. -Hypotheses: There are no statistical significant relation between time of used smart phone and muscle fatigue. -Subjects: One hundred fifty healthy children of both genders will participate in this study. * Inclusion criteria: 1. Their ages ranges from 12-14 years. 2. Subjects of school age childhood. 3. Not rolled on any regular athletic activity. 4. Children should be at the same socioeconomic level. * Exclusion criteria: 1. Individual with neck pain 2. Any upper limb and spinal deviation. 3. Worker children. * Instrumentation: •Surface Electromyography (EMG) * Design of the study: All subjects shouldn't use the phone for an hour before the measurement Each child setting in a chair with their feet on the floor and the elbow slight flexion, holding a smartphone in favorite position of used smart phone.

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