delinquent noun [C]. âº a âperson, usually âyoung, who âbehaves in a way that is âillegal or not âacceptable to most âpeople: âjuvenile delinquents.
Sahelanthropus may have walked on two legs. The oldest evidence for walking on two legs comes from one of the earliest humans known, Sahelanthropus. Walking upright may have helped this species survive in the diverse habitats near where it livedâincluding forests and grasslands.
Letâs first start with the walking motion on a treadmill. One of the benefits of walking on a treadmill instead of on the pavement is that the treadmill will cause less impact. This is especially important if you have back or knee issues.