No mark for the physical activity.
2 marks max for movements.
2 marks max for examples.
movement (2 from):

examples could include:

gymnastics:
plantar flexion: pointing their toes during a floor sequence;
dorsiflexion: when landing on the mat following a vault prevents the need to take a step forward;
taekwondo:
plantar flexion: a performer lifts themselves onto their toes to gain extra height in a kicking movement;
dorsiflexion: a front kick with the heel;
cricket:
plantar flexion: the position of the back foot in the final stride in the bowling action;
dorsiflexion: the position of the batsman's front foot when playing a forward defensive stroke;
athletics:
plantar flexion: the position of the foot as the performer pushes from the take-off board in long jump;
dorsiflexion: during the turning movement when moving across the circle in the hammer;

Accept other examples.