Musculoskeletal Musculoskeletal SystemSystem

Chapter 6Chapter 6

Musculoskeletal System Musculoskeletal System OverviewOverview

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

SkeletonSkeleton

Appendicular skeleton: shoulder pelvis upper and lower extremities

Axial skeleton: skull vertebral column chest hyoid bone

The SkeletonThe Skeleton

Anatomy of Bones and JointsAnatomy of Bones and Joints

The MusclesThe Muscles

Architecture of the Three Types Architecture of the Three Types of Musclesof Muscles

Classification of BonesClassification 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

Body Planes and CavitiesBody Planes and Cavities

Body MovementsBody Movements

Types of Common FractureTypes of Common Fracture

Spinal CurvaturesSpinal Curvatures