The skeletal system functions to protect organs, support soft tissues, facilitate red blood cell production, act as a mineral reservoir, and provide attachment points for skeletal muscles. The axial skeleton includes the skull, spinal column, and ribs, while the appendicular skeleton includes the limbs and pelvic girdle. There are several types of bones including long, short, flat, and irregular bones. Joints can be immovable, cartilaginous, or synovial, with synovial joints being the most common and freely movable type. The anatomy of a synovial joint includes articular cartilage, synovial fluid, ligaments, and muscles. Factors like bone shape, ligament tension, and muscle arrangement affect

1. Anatomy and Movement Mechanics LR AS OCR 2005

22. Movements

23. Movements

24. Movements