![]() ![]() I don’t feel that it does anything, so i suppose it just relaxes, when performing extension I can feel the triceps get tight. ![]() What happens to the triceps muscle (on the posterior of the arm) as this action is performed? When performing flexion on the arm, the biceps muscle (on the anterior of the arm) contracts. Why are these types of joints more prone to injury? Because these joints accidentally being moved a different way can hurt the bone, cartilage and or ligaments. Hinge joints like the elbow and knee have limited movement. Exercise Physiology Lab Report ExampleĮxercise 4: Questions Which of the body movements was the most difficult to perform? Why? I suppose the hardest one to perform was the circumduction because it combines all the different types of movements including flexion, extension, abduction, adduction. What are the four structural characteristics that all synovial joints share? A two layered articular capsule which helps create the joint cavity, inside the capsule is the synovial membrane which contains the synovial fluid, the articular cartilage covers the surface of the bones forming the joint and ligaments that reinforce the capsule. Which synovial joint is most movable? The ball and socket joint is the most moveable joint in the body because of its ability to fully rotate. Why are diarthroses important for synovial joints? Synovial joints must move freely and the diarthoses are the only joints that are capable of moving freely, allowing for all types of movement. ![]()
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