Hi there,
It's really normal to struggle with spider legs at first. This is because your fingers have not properly stretched yet to play a guitar. That's why you're doing spider leg exercises! Doing this type of exercise will get your fingers to stretch little by little so that you are more comfortable with each finger being on a single fret. It takes time and a lot of practice.
Practice these moves slowly and don't rush it or strain yourself. All in time!
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