Musculoskeletal System Chapter 6

Musculoskeletal System Overview Provides support and gives shape to the body Skeleton: Consists of bones and cartilage Provides framework to support body Stores calcium and other minerals Produces certain blood cells within the bone marrow Muscles Cover the bones where they hinge Supply forces that make movement possible Provide protective covering for internal organs Produce body heat

Skeleton Appendicular skeleton: Axial skeleton: shoulder pelvis upper and lower extremities Axial skeleton: skull vertebral column chest hyoid bone

The Skeleton

Classification of Bones Long bones bones of arms and legs Short bones bones of wrists and ankles Flat bones bones of ribs, shoulder blades, pelvis and skull Irregular bones bones of vertebrae and face Sesamoid bones round bones found near joints

Anatomy of Bones and Joints

Types of Common Fracture

Spinal Curvatures

The Muscles

Architecture of the Three Types of Muscles

Body Planes and Cavities

Body Movements