I find pull ups (overhand) seem to have a really good effect on my core, also press ups with your feet on a swiss ball are amazing. I do 3x20
@Sainsburys_Ed started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I find pull ups (overhand) seem to have a really good effect on my core, also press ups with your feet on a swiss ball are amazing. I do 3x20