How do joints move?
Muscles move our joints by pulling on tendons, which then pull on bones resulting in action: arm bend, knee lift. Many muscles work in pairs (synergy). The brain sends a message via nerves to the muscles.
What is joint made of?
Joints, particularly hinge joints like the elbow and the knee, are complex structures made up of bone, muscles, synovium, cartilage, and ligaments that are designed to bear weight and move the body through space.
What are the three main joints of a human body?
Articulation Joints of the Hands
What are the functions of joints in a human body?
(1) Gliding joints move against each other on a single plane.
What are the different kinds of joints in the human body?
Classification of Joints Fibrous Joints. Fixed joints, also called immovable joints, are found where bones are not flexible. Cartilaginous Joints. Cartilaginous joints are partly movable joints comprising of symphysis or synchondrosis joints. Synovial Joints. Ball and Socket Joints. Pivotal Joints. Hinge Joints. Saddle Joints. Condyloid Joints. Gliding Joints.
What are the weakest joints in the human body?
The Eyes This should be fairly obvious. If someone is attacking you,they need to be able to see to fight back.