Russian Twists

• On a mat or on a decline bench.

• Lie on the mat (or bench) and lean back until you have an angle of 45 degrees between your back and the floor.

• Crunch your abs and draw your belly button towards your spine. This will;;l increase the contraction and be your starting position.

• While keeping the contraction of the abdominal muscles, rotate your thorax from side to side, keeping your arms engaged.

• Perform the exercise for the amount of time suggested or until fatigue has been reached.