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.
Lower Back and Leg pain. Lower back and leg pain go hand and glove together; an irritated or pinched nerve causes tingling, numbness and a deep ache in the limb. FEMORAL NERVE : Roots L2, L3 & L4 (front and side of the thigh pain especially) SCIATIC NERVE : Roots L4, L5 & S1 mainly (lower leg and foot pain especially)