Help needed please - my DD is a strong minded little one. She goes to nursery 4 days a week and spends the other day with my mum. At weekends she is with me and my husband when he isn't working. Recently her behaviour is escalating and we feel like everything that has previously worked (distraction, setting clear boundaries, emotional support) just isn't working any longer. She seems to be upset/tantrumming for 75% of the time she is with us. My mum also gets the behaviour but a little less so I would say, mainly because their days are just chilled stay at home type days I think. At nursery she behaves well but is a tad bossy (reading between the lines of what the teachers have said). She is an articulate little one but she does struggle with coordination a little e.g. trips a lot etc.
An example of the behaviour is this morning, she didn't want to get dressed and screamed, shouted, smacked and bit me. I remained calm, told her I understand she's angry but we do not smack or bite and moved away from her. Eventually dressed, went out the door and she refuses to walk. It is at the most a 10 minute walk from door to door, and that would be going slowly. She says she's tired so I carry her a little then give her a point she will need to walk from. When we get to that point, I set her down and hold her hand, starting to sing our nursery song. She completely loses it, screaming, throwing herself in the floor, hitting, scratching, biting saying she doesn't want to walk. I tried distracting her with everything that usually works, this lasted about 5 steps towards nursery then she started again. I asked her how I could help her, explained calmly I can't carry her all the way (I have a bad back and shoulder), tried bribery (I know i shouldn't but 20 mins in I was getting desperate) and eventually I just said Okay I'll wait here until you're ready to walk. This didn't work either. I ended up having to frogmarch her there with her kicking and screaming (and lots of stares from other parents and children).
Has anyone got any advice on how else i can approach these types of situations? This is just an example but most of it is similar constant battle of will powers because she doesn't want to do something that she needs to do in that moment. TIA.