Over time, the muscles in your knee may weaken and the entire joint structure can become unstable. Overall weakness in the knee can cause your knee to give way or buckle. The joint can also stick or lock up so you canât bend it or straighten it out when you want to.
Iberian Peninsula. Located on the southwestern tip of the European continent, the Iberian Peninsula, includes the countries of Andorra, Portugal and Spain, and the British Crown colony of Gibraltar.At the nearest point, it is only 5 miles (8km) from the continent of Africa.print this map.berian Peninsula. Located on the southwestern tip of the European continent, the Iberian Peninsula, includes the countries of Andorra, Portugal and Spain, and the British Crown colony of Gibraltar. At the nearest point, it is only 5 miles (8km) from the continent of Africa. print this map.
By plane [edit]. The Iberian Peninsula is Europe's main hub to South and Central America, Madrid's Barajas airport is the most important of the hubs, while Portela airport in Lisbon is the main gateway to Brazil due to the two countries historic ties.he Iberian Peninsula is Europe's main hub to South and Central America, Madrid's Barajas airport is the most important of the hubs, while Portela airport in Lisbon is the main gateway to Brazil due to the two countries historic ties.