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.
A walking aid-a walker, crutches, or a cane-helps substitute for a decrease in strength, range of motion, joint stability, coordination, or endurance. It can also reduce the stress on a painful joint or limb. Using a walking aid can help you be more safe and independent in your daily activities.