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44
Abdominal Exercises
Trunk Rotation
Muscles Worked:
Rectus Abdominus, Obliques, and Serratus
Anterior
Bench Position:
Horizontal
Accessory:
Handgrips
Pulleys:
Chest Bar
Success Tips
Failure to perform this exercise cor-
rectly could result in injury. Use only
low resistance rods.
• Keep your chest lifted, shoulders pinched,
abs tight, and a slight arch in your lower
back.
• Keep all motion in your torso.
• Move only as far as your muscles will take
you—do not use momentum to increase
your range of motion.
START FINISH
Start
• Sit sideways on the Bench, one
side toward the Power Rod
®
unit.
• Grasp the Handgrip closest to
you with both hands.
• Raise both arms up near
shoulder level, hands extended
over the leg closest to the Power
Rod
®
unit.
• Keep your elbows slightly bent.
Action
• Tighten your entire abdominal
area, and slowly rotate your rib
cage and arms away from the
Power Rod
®
unit 30-40
o
, as if you
were rotating with a rod through
the middle of your spine.
• Slowly reverse the motion,
returning to the Start position
without relaxing muscle tension.
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