prickly pear, prickly pear cactus(noun) cacti having spiny flat joints and oval fruit that is edible in some species; often used as food for stock. Synonyms: prickly pear, prickly pear cactus. prickly pear(noun) round or pear-shaped spiny fruit of any of various prickly pear cacti.
The quadriceps and patellar tendons can be stretched and torn. Although anyone can injure these tendons, tears are more common among middle-aged people who play running or jumping sports. Falls, direct force to the front of the knee, and landing awkwardly from a jump are common causes of knee tendon injuries.
Torn ligament or tendon. Knee pain may be caused by torn ligaments or tendons. Ligaments are tough bands of tissue that connect the bones at the knee joint; tendons connect the muscles to the bone. You can tear these tissues during running sports such as rugby or football.