Overall, PCSA of the rectus
abdominis seems to range between 2.6 — 10.5 cm2.
Therefore, despite common claims to the contrary, muscle activity of the rectus
abdominis seems to be challenged equally during the back squat and the split squat.
Not exact matches
Therefore, there
seems to be no benefit to the rectus
abdominis when training the one - handed kettlebell swing instead of the two - handed variation.
Using unstable surfaces with low or moderate relative loads therefore
seems to have no benefit for the rectus
abdominis.
Performing the seated press using a stable bench would
seem to be optimal for the rectus
abdominis.
The Swiss ball roll out and jack knife
seems to be one of the best Swiss ball exercises for the rectus
abdominis.