Sit on the floor with your legs extended and your torso upright. Bend your left leg, cross it over your right leg, and place your foot flat on the floor so that your knee is pointing straight up at the ceiling. Keeping your spine as upright as possible, place your left hand on the floor next to your hip, and loop your right arm around your left knee. Twist your upper body slowly to the right. Hold this position for 30 to 60 seconds and then slowly unwind and change sides.
World Rugby has reportedly conceded Aaron Smith's disallowed try in the World Cup final should have stood.
"It is not only useful for staff who are experienced but a valuable tool for those subject staff who have to take teams."
The variety of sessions across sports - sometimes we steal session ideas from one sport and use them with another.