Yes same happens to me, especially when I first started but still happens 11 years later. I've found sometimes I'm not 100% hard so I will try to flex my cock and will involuntarily also contract my leg and butt muscles. If you pay attention it should be possible to cum without shaking if you are trying to stop for some reason.
IIN my leg shakes when I masturbate
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Yes same happens to me, especially when I first started but still happens 11 years later. I've found sometimes I'm not 100% hard so I will try to flex my cock and will involuntarily also contract my leg and butt muscles. If you pay attention it should be possible to cum without shaking if you are trying to stop for some reason.