
Why In and Outs?
In and Outs are a great way to challenge the core both in stability and with contraction.
Target Muscles:
Rectus Abdominus, Transverse Abdominus,
Need to Evolve? Try this!
If the standard In and Out is two much simply move the hands back and away from the glutes. The further the hands from your center the less body weight enters the equation.
What to Amp it up? Try this!
Pair With…
Low Back extensions for muscle balance.