[Animation~Abdominal muscle fitness instruction] Sitting knee and leg, mainly exercises the lower part of the rectus abdominis.
Do 4 sets of 20 times every other day, or reach failure in each set.
Rest for one minute between sets.
[Animation~Abdominal muscle fitness instruction] Sitting knee and leg, mainly exercises the lower part of the rectus abdominis.
Do 4 sets of 20 times every other day, or reach failure in each set.
Rest for one minute between sets.