days. Maximal tumescence lasts 710 days, and in last two days of tumescence ovulation occurs. Plooijs Swelling. See also adolescent swelling and flabby bottom. swing Hang from woody vine by arms and swing back and forth. Social and locomotor play, solo play, threat, and charging display. If performer changes from one support to another, becomes brachiate. Goodalls Swing is equivalent to brachiation. Kanos Swing for bonobos. See video. swing above Swing back and force above potential playmate while watching intently. Play solicitation, especially by infant female. 9. See video. S swing and grasp Swing back and forth and when reaching farthest point, leap to or grab terminal branch of neighboring tree and transfer to it. Used when food abundant in canopy. Arboreal locomotion. Cf. leap between trees which