>>144069
Jesus, this is like reading Instagram fitness posts comment section.
When you are new to lifting or make changes in your program, take things slowly and just gradually grow your training intensity and weights. Kind of like dating. What's the point of it, if you do raw anal on the first date? You take things slowly, to get to know your partner and to build your anticipation to get more and more intimate with that person, over time. So it would be interesting. Same goes for lifting weights. You don't fucking floor it. Get to know proper technique and correct work loads first. Then you can slowly build your weights and reps over every session.
It's okay to have leg soreness after intense session. Most of the time, my legs are sore up to 3 or 4 days after leg day. Foam rollers are a blessing to this. You have to massage those legs. If you don't have a foam roller, use tennis ball or some other round object, and roll those muscles out. Squeeze them and squish them. You will feel a lot better in the following days. Also, when soreness tends to lessen, I personally love to do easy jog or some leg movements on balance surface or do something outdoors, like play football or skate. Sometimes body bike works too. Take things easy, warm up those legs properly, and you will be fine. Get some protein in your diet to get your muscles back in business faster.
As for training while still really sore, take a break for that muscle group. You have plenty of others to train. Let them heal. Of course you can't completely shut that sore muscle group out of your routine but just try to go easy on legs, or whatever is still sore that day and you will be fine. Use your own head, follow your guts, and have a proper form, anon, and you will be fine.