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. 2016 Aug 3;11(8):e0159262. doi: 10.1371/journal.pone.0159262

Table 5. Safety factors of insect tibiae for various situations.

Relevant stress to cause failure is divided by in vivo applied stress to obtain the safety factor.

Relevant stress to cause failure (MPa) In vivo applied stress (MPa) Safety Factor
Locust Mid-Leg (running) 44.25 6.45 6.8
American Cockroach (running) 41.03 5.87 7.0
Death’s Head (running) 36.45 5.67 6.3
Locust Hind-Leg (jumping) 72.05 42.20 1.7
Death’s Head (wedging) 72.90 23.29 3.1
Death’s Head (righting) 72.90 18.89 3.9