Articulations AKA Joints

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Presentation transcript:

Articulations AKA Joints

Where two bones meet. (Joint) Articulations Where two bones meet. (Joint)

Review Ligaments: Connect bone to bone Tendons Connect muscle to bone

Joint with NO movement. (sutures in cranium) Types of Joints Fibrous: Joint with NO movement. (sutures in cranium)

Cartilaginous: Slightly moveable joints. (vertebrate) Types of Joints Cartilaginous: Slightly moveable joints. (vertebrate)

Types of Joints 3. Synovial: Freely moveable (synovial joint) includes a capsule (bursa) that releases synovial fluid for lubrication.

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2. Ball and Socket: ‘most moveable’ shoulder, hip. TYPES 1. Hinge: Knee and elbow 2. Ball and Socket: ‘most moveable’ shoulder, hip. 3. Pivot: head, radius, ulna 4. Gliding: Carpals

Actions: Look in your text books starting on page 157 and write a brief explanation of the following actions: Flexion, Extension, Rotation, Abduction, Adduction.

Hormones: PTH Sex Hormones Calcitonin Human Growth Hormone

PTH Released by: Parathyroid Response: Bones release calcium into the blood stream.

Calcitonin Released by: Thyroid Response: Inhibits osteoclast activity

HGH Released by: Pituitary Gland Response: Increases Calcium retention in bones and mineralization

Sex Hormones Estrogen and Testosterone: Secreted by: Response: Testes, Ovaries Response: Increase bone density and maturation.