The different types of movement that are permitted at each joint are described below. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes ...
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Humans Got Their Flexible and Sturdy Joints From Fishes, Evidence Found in 400 Million-Year-Old Jawed FishResearchers found evidence that the joints evolved as the species became active predators with jaws and mobile skeletons.
The different types of movement that are permitted at each joint are described below. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes ...
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