When lifting dumbbells, the left shoulder hurts when pushing up, but it doesn't hurt at ordinary times, that is, when lifting dumbbells again. What's going on here?

You were injured in training before, because you didn't warm up during training. Causing muscle and ligament strain. For your attention, you must have a good rest and do rehabilitation training. Otherwise, it will not be fully recovered for a long time. Give you some advice.

1. Before training, you must warm up, warm up, fully warm up, pull, and then start exercising. Remember.

2. The training of shoulders should be changed to a small weight and uniform movement, and the number of groups should not be too much, mainly to restore function. If you encounter pain during training, you can reduce the weight and frequency and use ice.

3. Stretch and relax shoulders effectively after training.

4. You can use hot compress on your shoulders when you rest at night, instead of hot towels, use hot water bottles or mineral water bottles. Wrap it with a wet towel when hot compress, and don't burn it. It usually takes about 40 minutes, and the hot compress point is above the pain point.

5. Wait until the pain disappears completely, and then gradually increase the training volume and intensity.

There are individual differences for reference.