Basic Kinesiology: Tendons and Ligaments

Joints provide a fulcrum point for muscles to do work. There are six types of joint action:

Joint Action	Movement Description	Example Movement
Flexion	Decreasing join angle	Biceps curl
Extension	Increasing join angle	Triceps extension
Abduction	Movement away from body centerline	Lateral raise
Adduction	Movement toward body centerline	Horizontal flyes
Rotation	Rotation around an axis	Twisting the arm
Circonduction	360 Rotation	Arm circle round

Well, that's it you did it! If you want more free tutorials and resources visit our knowledge center, click here: Free Knowledge Information and Resources