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.
Most walking poles have rubber tips that grab the pavement and wrist straps that secure the poles to your arms. With one walking pole in each hand, you grip the handles and push off with each stride. Sturdier walking poles designed for hiking are known as hiking or trekking poles. Consider the benefits of walking poles: The arm movement associated with walking poles adds intensity to your aerobic workout, which helps you burn more calories. Walking poles improve balance and stability. Walking poles help you maintain proper posture, especially in the upper back, and may help to strengthen upper back muscles.