The pain is usually worse than you would expect for the type ofinjury and may feel at first like you have pulled a muscle but then becomes stronger.
此类疼痛与外伤的严重程度不相符，患者会感到像是拉伤肌肉的感觉，但是随后越来越重。
2
What is more, the brains of people who are paralysed are often healthy and produce the same signals as those in able bodied people - it is just they are blocked by injury from reaching the muscle.
另外，瘫痪病人的大脑大多健康，和健康人一样能发出信号，他们只是被损害阻碍而不能伸展肌肉。
3
Strength training has been proven to increase bone density, increase lean muscle mass, improve posture, and reduce the risk ofinjury.