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. 2010 Aug 5;5(8):e11959. doi: 10.1371/journal.pone.0011959

Table 1. Actions used in L-S by able-bodied chimpanzees.

Individual Liana-scratch technique
Tension by pulling Tension by pushing Unclear
Hand Foot Hand Foot
Bahati (13 yr. F) 1
Kana (10 yr. F) 1
Karo (7 yr. F) 3*
Kumi (8 yr. F) 2 3
Night (5 yr. F) 2 2
Zak (6 yr. M) 4 1
Zed (8 yr. M) 1 1
10 3 5 3

*In these 3 cases Karo added a second grip with the hand so that both hand and foot pulled on the climber