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Figure 5 | BMC Sports Science, Medicine and Rehabilitation

Figure 5

From: Effects of methods of descending stairs forwards versus backwards on knee joint force in patients with osteoarthritis of the knee: a clinical controlled study

Figure 5

Parallel between FD and BD. The circles indicate KJF-MAX. The dotted-line circles indicate the strong contractions of the muscle groups at KJF-MAX. Forward descending: increased tension in the knee extensors and ankle plantar flexors occurs. Backward descending: increased tension in the hip extensors occurs.

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