Question

1. Be able to classify types of joints. 2. Most of the joints of the appendicular skeleton are what type of joint? 3. What is the function of Hyaluronic acid? Bursa? 4. Define and give an example of: Plane joint, Ball and socket joint, saddle joint, and hinge joint. Know all the different types of movement. We will do an exercise in class to help you learn these actions. 5. What factors influence the range of motion of a joint? 6. 7. In essay form describe the TMJ joint and the common problems associated with this joint. 8 What is the rotator cuff? Where is it located? 9. What types of movement are possible at the coxal (hip) joint? 10. What are menisci? 11. What are the effects of aging on joints? 12, What is Arthritis? Rheumatoid arthritis? 13. What is Lyme disease? 14. What is gout?

Answer 1

Answer: Types of Joints * Sunarthroses. * Amphiarthroses * Diarthroses 2. Answer: The appendicular skeleton has four types of junts. They are upper limbs, lower limbs, pelvic girdle and pectoral girdle. Answer: * Hyaluronic acid is known as hyaluronan, is a clear goosey substance naturally produced by our body. So * They are large amount in our eyes , skin connective tissues. * This is a anti-aging ingredient.

* It is water to keep moisture use our to retain. tissues to 4. Plane Joint: It is a synovial joint which, under physiological conditions, allows only gliding movement. Ex: wrists, ankles. Ball and - of one Cup - like Ex: hip Socket Joint: It is a ball-shaped surface rounded bone fits into the depression of another one. joint, Shoulder joint. Saddle joint lor It is said to be biaxial. allowing movement in the sagittal and frontal planes. cua Ex: Carpometacarpal joint of the thum! and incudomalleolar joint of the inner ear.
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Hinge Joint: Orona It is known as ginglunue! They are formed when two or more! bones move and meet along an axis to bend Ex: elbow , knee , ankle joints. 5. X Types of Movements: * Flexion * Extension abduction * adduction * rotation * 6. Answer: hom * The range of a motion of a joint is always have good flexibility to 2 * A number of factors influence joint stability. They are Shape of articular surfaces and tension of Capsule and ligaments.

7. TMJ Joint: o con * The kemporomandibular joint (TMJ) acts like a sliding hinge connecting your jawbone to your skull. Joia * It causes pain in your jaw joint and in the muscles that Control jaw movement * The pain that feels like a toothache. a 8. Rotator muscles stabilize lor shoulder to move Cuffi * This is a group of four and tendons that help the shoulder. war * Whenever you move your , the rotator cuff help the joint. * The rotator cuff is in injured area, commonly

9. * Coxal Joint: 2 - The movements are in the hip or coxal joints are. & flexion * extension II * abduction * adduction * external or lateral rotation 1 * Internal or medical rotation. * 1o Menisci. bonozib & It refers to a crescent. shaped Structure, between the two joints formed by the femur and the tibia. - * It acts as a smooth Surface for the joint to move on. 11. Arthritis ir I bas * Arthritis is an inflammation of the joints. It can affect one one or more joints. * The two types of arthritis

are osteoarthritis arthritis and rheumatoid Rheumatoid arthritis: It is usually joints, affects multiple 13. Lyme disease oil * A tick-borne illness caused by the bacterium Borrelia burgdorferi. - * Deer ticks can carry the bacteria that cause lyme disease. o * It causes a rash, often in a bull's eye pattern, and flu-like symptoms. Joint pains and weakness can also occur. out: . O form of arthritis characteris by severe pain, redness and tendernes in joints.