This document discusses the classification of bones and joints in the human body. It begins by classifying bones into long, short, flat, and irregular bones based on their shape. It then discusses the three main types of joints - fused joints which are immobile, cartilaginous joints which allow slight movement, and synovial joints which allow free movement. The key synovial joints and their structural features are then outlined, including ball and socket, hinge, pivot, saddle, condyloid, and gliding joints. Ligaments are described as connecting bones and preventing unwanted movement.

1. Exercise and Fitness Lvl 2 Lesson 2 – Joints in Action

11. Ligaments

13. Example of fixed Joint - Skull

16. Synovial Joint Structure

22. Location of Synovial Joints

23. Ligaments