4 ms·

FYI: the obstetrical dilemma isn't so strongly supported nowadays [0]. I can't find the study i'm thinking of at the moment, but at least one study proposes the

• danielheath 6y ago
  That link says wider hips don't slow down walking. However, women need hip replacements at a far higher rate than men. Given men are typically heavier one would expect their joints to wear out faster, but as alluded in my comment upthread, widening the pelvis means walking exerts a higher peak force on the hip joint due to increased torque, which is a plausible mechanism for it wearing out faster.