literally do pull-ups with bicycle kicks. if you also rotate the bicycle kicks so your legs so to the left or right side of you it’ll increase the amount of energy you’re using giving better results.
it’s hard… but gets easier. strength>bigger muscles.
you don’t need a gym for core strength
literally do pull-ups with bicycle kicks. if you also rotate the bicycle kicks so your legs so to the left or right side of you it’ll increase the amount of energy you’re using giving better results.
it’s hard… but gets easier. strength>bigger muscles.
example video - https://m.youtube.com/watch?v=gR1vUVuKyxA
Don’t forget to make Liu Kang noises while you do it.
There’s always the classic sit-ups/crunches. And bridges will work your legs a bit too.