Bones also serve as a reservoir for essential minerals such as phosphorus, clcium that are important for various cellular activities throughout the body. A well, te production of blood cells occurs in the bone marrow that is within the cavities of certain bones. Fts are also stored in adipose cells of the yellow marrow to serve as energy reservoirs (Long & Ornitz 2013). Te pivotal joint of the neck- it allows only rotary movements. I lacks access of viewing the node and allows rotation, fexion, rtraction, potraction, etension, aduction and adduction movements. I ability of turning the head from side to side.
Bll and socket joint- a joint where a ball shaped surface of a rounded bone fits into a cup like depression of another. Te rounded head of the humerus rest on the socket of the shoulder blade allowing you to swing your hands. Hnge joint- it allows movements similar to the opening and closing of a hinged door. Te elbow joint allows for the extension and flexion of the forearm relative to the upper arm as well as rotation of and forearm.
Te hip joint is a ball and socket that allows individuals to run, wlk and jump. I is among bodys the most flexible joints. I allows a range of motions compared to other joints in the body with an exception of the shoulder joint. I is formed between the hipbone and the femur. I has a round cup structure on the hipbone referred to as the acetabulum that forms the socket for the joint. Te femurs head is rounded in shape to constitute the ball of the joint (Yoon et al. I is lined by hyaline lining the head of the femur and acetabulum to provide a smooth surface for gliding bone movement.
Te hyaline is also a shock absorber preventing the collision of bones during movement. Te joint contains synovial membranes between the layers of the cartilage that are important in secreting the synovial fluid to lubricate the joint capsule. Tugh ligaments preventing the joint dislocation surround the joint. Srong muscles around the joint preventing dislocation also hold it together. Te ball and socket structure is important as it allows the femur to move through a 360-degree Te femur also has an ability of rotating around its axis in a 90-degree angle at the joint (Pacifici et al.
Askeletal muscle is a voluntary muscle also called a striated muscle as a result of its appearance. I contains dark and light bands...
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