One: Muscle strain is an injury caused by sharp contraction or excessive stretching of muscles during exercise. This is easy to happen in long legs, pull-ups and sit-ups. After muscle strain, there is a sharp pain at the strain site, and the rope-like lump formed by muscle tension can be felt by hand, with obvious tenderness, local swelling or subcutaneous bleeding, and the activity is obviously limited.
Two: After the muscle strain, immediately carry out cold treatment-wash the area with cold water or ice with a towel, and then bandage the injured area to prevent swelling. While relaxing the muscles of the injured part and raising the injured limb, you can take some drugs to relieve pain and stop bleeding. Take off the bandage after 24 to 48 hours. According to the injury, it can be used externally to promote blood circulation and reduce swelling, appropriate hot compress or light massage.