Articulations and Nerve Tissue /Module 06 Case Study:Articulations and Nerve Tissue

Part I— “Jill” Questions 1. What is the difference between a tendon and ligament? (1 point) Tendons attach muscle to bone while Ligaments connect bone to bone 2. What bones form the articulation (joint) of the ankle? Did Jill most likely sprain or strain her ankle? Explain your reasoning and the difference between the two? (1 point) The Talocrural joint is made of up the talus bone (heel) and the distal ends of the tibia and fibula. A sprain is the injury of ligaments while a strain is injury to muscle or tendon. So Jill most likely sprained her ankle. 3. What are the four major ligaments of the knee along with their individual function in respect to the femur? (1 point) The fibular collateral ligament (lateral collateral ligament) is on the lateral side and spans from the lateral epicondyle of the femur to the head of the fibula. The tibial collateral ligament (medial collateral ligament) of the medial knee runs from the medial epicondyle of the femur to the medial tibia. As it crosses the knee, the tibial collateral ligament is firmly attached on its deep side to the articular capsule and to the medial meniscus, an important factor when considering knee injuries. In the fully extended knee position they stabilize and support the extended knee and preventing side-to-side or rotational motions between the femur and tibia. Inside the knee are two intracapsular ligaments, the anterior cruciate ligament and posterior cruciate ligament. These ligaments are anchored inferiorly to the tibia at the intercondylar eminence, the roughened area between the tibial condyles. The cruciate ligaments are named for whether they are attached anteriorly or posteriorly to this tibial region. The posterior cruciate ligament is the stronger ligament. It serves to support the knee when it is flexed and weight bearing, as when walking downhill. In this position, the posterior cruciate Ligament prevents the femur from sliding anteriorly off the top of the tibia. The anterior cruc