A movement in the sagittal plane that decreases the angle of the joint and reduces the distance between the 2 bones is called flexion.
Sagittal plane Is the longitudinal plane that divides the body into 2 parts: left and right. The plane runs from the mouth to the tail of any organism. The frontal or coronary plane is similar to sagittal plane as it also runs in the longitudinal section.
Flexion is the action of bending. The bending of joints or limbs is also an example of flexion. The example can be: flexing of the elbow when the the biceps are bent. When kicking a football, the bending of the knee is also an example of flexion.
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