Toning legs and strengthening the knees requires targeted movements like vastus medialis exercises and lying straight leg raises. Discover safe leg workouts for bad knees and learn which cardio machines are best for joint health.
Your knees can become weakened due to injury, a condition such as arthritis, illness or inactivity. When the muscles and structures that support your joints lose their strength, knee instability that results can lead to joint damage and disability.
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Strong knees are essential for staying active and performing simple functions such as sitting down or squatting. Your knees consist of bones, cartilage, ligaments, muscles and tendons, but these structures can weaken or become injured through accidents, repetitive motions or conditions such as arthritis and obesity.
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Runner’s knee is a common condition that plagues runners and other athletes such as skiers and cyclists, according to the American Academy of Osteopathic Surgeons. Also known by other terms such as patellafemoral pain syndrome, it leaves your knee unstable, weak and painful.
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