In most Spanish speaking countries, this is just a slang term for âinsect.â In Puerto Rico, on the other hand, it means âdick.â You can imagine the giggles that follow someone saying âme pican los bichosâ (The bugs/dicks are biting me) in Puerto Rico.
1 Arthritis affecting leg joints can cause stabbing leg pain which is chronic in nature. 2  It is accompanied by inflammation and stiffness of the joint. 3  Baker's Cyst. 4  In this condition, the knee joint fluid gets accumulated at the back of the knee and pain can be felt at the back side of the leg.
Many causes of leg pain are obvious, such as injury after an accident. Leg pain can have less obvious causes, such as peripheral artery disease. Repetitive, excessive sports, especially in the form on running, can lead to trauma that creates leg pain - E.G: shin splints and stress fractures.