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SHHS PDHPE 11 joints
Synovial Joints
Question | Answer |
---|---|
Ligamets 1 | 1. Are well-defined fibrous bands that connect articulating bones. |
Ligaments 2 | 2. They are designed to assist the joint capsule to maintain stability in the joint by restraining excessive movement and controlling the degree and direction of movement |
Ligaments 3 | 3. They are relatively inelastic structures that become permanently lengthened when stretched excessively. This leads to joint instability. |
Tendons 1 | 1. Are tough, inelastic cords of tissue that attach muscle to bone. |
Tendons 2 | 2. Joints are further strengthened when thsese structures extend across the joints. |
Synovial Fluid 1 | 1. Acts as a lubricant keeping the joint well oiled and moving surfaces apart. Forms a cushion between joint surfaces. |
Synovial Fluid 2 | 2. Provides nutrition for cartilage and carries away waste products. |
Hyaline Cartilage 1 | 1. It covers surfaces of the bones with a layer of smooth, shiny substance that allows the bones to move freely over each other. |
Hyaline Cartilage 2 | 2. Has a limited blood supply but receives nourishment from the synovial fluid. It is thicker in the leg joints where there is greater weight bearing |