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.
Walking backwards helps you to use muscles and movements that you probably rarely use, making it an ideal way to change up your exercise routine for greater fitness gains. When you walk backwards, it puts less strain and requires less range of motion from your knee joints, which is useful for people with knee problems or injuries.