Compare and contrast the two types of elongation that assist with range of motion around the joints
Greater range of motion around the joints is attained through plastic and elastic elongation.
• Plastic elongation is the permanent lengthening of soft tissue. Even though joint capsules, ligaments, and tendons are basically nonelastic, they can undergo plastic elongation. This permanent lengthening, accompanied by increased range of motion, is best attained through proper stretching exercises.
• Elastic elongation is the temporary lengthening of soft tissue. Muscle tissue has elastic properties and responds to stretching exercises by undergoing elastic or temporary lengthening. Elastic elongation increases extensibility—the ability to stretch the muscles.
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