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HEALTHY BONES & MUSCLES Joints Joints Types of joints • The joint is the point where two or more bones meet. There are three main types of joints; Fibrous (immoveable), Cartilaginous (partially moveable) and the Synovial (freely moveable) joint. Fibrous Joints • Fibrous (immovable joints): This type of joint is held together by strong, fibrous, connective tissues and as the name suggests , they permit no movement. • Examples are where the teeth are held to their bony sockets at the jawbone & where the bones of the skull come together. Cartilaginous Joints • Cartilaginous joints (or slightly moveable joints) are connected by cartilage & allow partial movement. • The stacked vertebrae bones in your spine are held together by cartilaginous joints. Synovial Joints • Synovial joints (or freely moveable joints) provide the most movement and are the most common of all joints found in the body. • Some examples include; the shoulders, elbows, wrists, hips, knees & ankles. Helpful Sites • http://www.ptdirect.com/training-design/anatomy-andphysiology/musculoskeletal-system/joints-types-jointprotection-joint-location • http://health.howstuffworks.com/humanbody/systems/musculoskeletal/bone11.htm • https://m.youtube.com/watch?v=ezvVztlOc-o • https://m.youtube.com/watch?v=-GCgaoRdeaU Things to help for your test :) • Distinguish between the three types of muscles in your body & give an example for each • Describe how skeletal muscle contraction takes place beginning with an electrical impulse coming from the brain • Compare the 3 different types of muscle contractions & give examples of each • Explain how bones are connected together @ joints • Describe the basic movements that occur by giving examples of each type of movement Things to help for your test :) • Draw a rough illustration & label the following • A) skeletal muscle with the muscle fibre, fascicles, perimysium, epimysium, & muscle tendon • B) synovial joint & highlight the following parts; joint cavity, joint capsule, articulating cartilage, bursae, ligaments, tendons • Be able to label muscles, joints & movements