從事保鏢行業的人來說，對身體的素質都有很高的要求。耐力指的是人體長時間活動或對抗疲勞的能力，包括速度耐力，指無氧耐力，指人體保持較短時間內時快速運動的能力。
People engaged in the bodyguard industry have high requirements for the quality of the body. Endurance refers to the ability of the human body to exercise for a long time or fight against fatigue, including speed endurance, anaerobic endurance, and the ability of the human body to move quickly in a relatively short time.
一般耐力，有氧耐力，指人體長時間進行中等強度肌肉活動時的能力，專項耐力。
General endurance, aerobic endurance, refers to the ability of the body to carry out moderate muscle activity for a long time, and special endurance.
力量指的是肌肉在緊張狀態下或收縮狀態下所表現出的力效應的能力。力量素質分為兩類：
Strength refers to the ability of the muscle to show the force effect in the state of tension or contraction. Strength quality is divided into two categories:
一類是靜力性力量，指肌肉收縮時在肌肉長度不變的情況下所產生的力量
One class is static force, which refers to the strength of muscle contraction when the length of the muscle is constant.
另一類是動力性力量，指肌肉在進行縮短性收縮時所產生的力量。動力性力量又可分為重量性力量與速度性力量。而決定力量大小的因素：一是肌肉本身的結構與機能上的改善，二是神經系統調節機能的改善。
The other is the dynamic force, which refers to the strength of the muscle in shortening the contraction. The power of power can be divided into weight force and speed force. The factors that determine the size of the strength are: the first is the improvement of the structure and function of the muscle itself, and the two is the improvement of the function of the nervous system.
柔韌包括兩個方面：柔和韌，柔是基礎，韌為重要。
Flexibility includes two aspects: soft and tough, soft is the foundation, and toughness is the most important.
靈敏是指在各種突變的條件下，運動員能迅速、準確、協調的改變身體運動的能力。
Sensitivity refers to the ability of athletes to change body movement quickly, accurately and harmonily, under the conditions of various mutations.
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