Fig. 5. Typical experimental recordings of loaded walking for (A) a European subject (male, 65.6 kg, 3.71 km h^-1, loaded with 19.3 kg) and (B) an African woman (Luo, 83.5 kg, 3.95 km h^-1, loaded with 19.5 kg). For further details, see legend to Fig. 3. Note that in the African subject, loading results in a reduction in t_pk- and in an increase in r(t) at the beginning of the descent of the centre of mass (t_tr,down).

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