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The opposite of CKC exercises are open kinetic chain exercises (OKC). Closed chain exercises are often compound movements, that generally incur compressive forces, while open-chain exercises are often isolation movements that promote more shearing forces.
Fitness Defined: Low-Impact and High-Impact Exercises (And Which is Right for You) Low-Impact Exercises. Simply stated, a workout is low-impact if at least one of your feet remains in contact with the ground at all times. Walking, hiking, rollerblading and most step aerobics and cardio dance workouts are low-impact.