STARTING POSITION:
Stand straight with your right foot in front of you and your left foot behind you. The feet should be around 1.5 metres apart. Bend your right knee around 90º, and fully extend your left leg. Your left foot should point to the left. Extend your arms together just above you with the palms facing each other. Your chest and belly should point forward. Retract your shoulder blades.
MOVEMENT:
Hold the position during the required time. Then switch the side.
TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form.