As a result , the person will feel pain in front of the knee when climbing the stairs or when sitting for a long period . This injury is common to skiers , soccer players and cyclists who , among other athletes are prone to having a blow in the knee cap resulting to a tear of the cartilage . Such contacts can also tear off a large fragment of the cartilage containing a piece of bone . Injury to the meniscus typically results from ``a...

The patellar ligament is continuous with the distal part of the quadriceps femoris muscle passing the patella and attaching to the tibial tuberosity . It is the anterior ligament of the knee joint . On the medial and lateral sides , it blends with medial and lateral patellar retinacula . Patellar retinacula are aponeurotic expansion of the two parts of quadriceps femoris muscle . The retinacula functions to support the articular capsule laterally . The fibular collateral ligament is the lateral ligament of the knee joint...