从事保镖行业的人来说，对身体的素质都有很高的要求。耐力指的是人体长时间活动或对抗疲劳的能力，包括速度耐力，指无氧耐力，指人体保持较短时间内时快速运动的能力。
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，指人体长时间进行中等强度肌肉活动时的能力，专项耐力。
General endurance, aerobic endurance, refers to the ability of the body to carry out moderate muscle activity for a long time, and special endurance.
力量指的是肌肉在紧张状态下或收缩状态下所表现出的力效应的能力。力量素质分为两类：
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:
一类是静力性力量，指肌肉收缩时在肌肉长度不变的情况下所产生的力量
One class is static force, which refers to the strength of muscle contraction when the length of the muscle is constant.
另一类是动力性力量，指肌肉在进行缩短性收缩时所产生的力量。动力性力量又可分为重量性力量与速度性力量。而决定力量大小的因素：一是肌肉本身的结构与机能上的改善，二是神经系统调节机能的改善。
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.
柔韧包括两个方面：柔和韧，柔是基础，韧为重要。
Flexibility includes two aspects: soft and tough, soft is the foundation, and toughness is the most important.
灵敏是指在各种突变的条件下，运动员能迅速、准确、协调的改变身体运动的能力。
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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