Technogym BIOSTRENGH Chest Press User Manual page 32

USING THE EQUIPMENT
Crunch forward and at the same time, bring your knees up to your chest.
Maintain a smooth controlled speed; we recommend a slower speed
during the return phase than when moving outwards.
Maintain control of the workload during the movement.
To also activate the obliques, position one foot in front of a roller and
the other foot behind it.
Muscles involved
BIOSTRENGTH ™
32