Complex sentence: In some dances, the separation distance between the partners remains pretty constant, in others eg Modern Jive moving closer together and further apart are fundamental to the dance, requiring flexion and extension of the arms, alternating compression and tension.
Split into simpler sentences: In some dances the separation distance between the partners remains pretty constant. In others eg Modern Jive moving closer together and further apart are fundamental to the dance, requiring flexion and extension of the arms, alternating compression and tension.