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We last saw Copenhagen planks in our rundown of the best bodyweight exercises that actually build strength<\/a>. But it\u2019s an under-appreciated exercise, and deserves a spotlight of its own. The Copenhagen plank looks a bit like a side plank: You\u2019re leaning on your hand or elbow, other arm away from the ground, trying to hold your body in a rigid position. But what makes the Copenhagen special is that you do not rest your feet or knees on the ground. No, you place one<\/em> leg (your top leg) on a bench. This means you need to use the inner thigh muscle on that top leg to hold yourself up. It is a killer leg exercise, and it has benefits beyond just adding variety to your routine.<\/p>\n This exercise got its name (and its mild popularity) from research out of Denmark that showed it helps to prevent groin pull injuries in athletes. Our inner thigh muscles, called the hip adductors, are responsible for pulling our legs in toward each other. These muscles also act as stabilizers<\/a> in running and other actions we take during sports. Since adductors are thin muscles and can be prone to tears or strains (\u201cpulls\u201d), the researchers used Copenhagen planks to strengthen the adductors. <\/p>\n It worked: Programs including this \u201cCopenhagen adductor exercise\u201d made male soccer players\u2019 adductors stronger<\/a>, and while it\u2019s not a silver bullet for preventing groin strains, it seems to help. In addition to strengthening the adductors, the Copenhagen plank also contains the elements of a normal side plank, meaning it has a side effect of strengthening a variety of core muscles, including your obliques. Even your abductors, the muscles on the outsides of your hips, seem to get a little bit of a boost from training this exercise. <\/p>\n (And yes, those two words are very similar. Ab<\/em>ductors bring your leg away from your body, just like an alien abduction takes a person away from Earth. Ad<\/em>ductors bring your legs in toward your midline; the two letter D\u2019s in the middle may help you remember that they bring the legs together.)<\/p>\n The basic idea is to support your upper body on your forearm or hand, while your leg is supported on a bench or another object. In team practices, a partner can stand up and hold your leg while you\u2019re doing the exercise. <\/p>\n Start with as much of your leg on the support as possible. In order of easiest to hardest, the progression goes: <\/p>\n Knee or thigh on the bench<\/p>\n<\/li>\n Shin or foot on the bench<\/p>\n<\/li>\n Dipping the hips toward the ground and back up, repeatedly. (This can be done in either position.)<\/p>\n<\/li>\n<\/ol>\n While planks are often done for increasingly long periods of time, you don\u2019t have to take that approach to get the benefits of the Copenhagen plank. Try a 10-second hold, repeated three times with rest in between as needed. When that gets easy, try a harder variation.<\/p>\n If you can\u2019t do any of the versions above, even the one with your knee on the bench, one way to modify is to keep your free leg on the ground. Lift your hips mostly<\/em> with the top leg, but use some support from the bottom leg to help. <\/p>\n If you\u2019re still not comfortable with that, you may need to do side planks (from the knees is fine) to build up your core strength, and look elsewhere for adductor exercises. This banded adductor exercise<\/a> is a good place to start, and you can also do single-leg movements like step-ups to work the adductors alongside other leg muscles.<\/p>\n<\/p><\/div>\nWhat are the benefits of the Copenhagen plank?<\/h2>\n
How exactly do I do a Copenhagen plank?<\/h2>\n
\n What do you think so far?
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What if I can\u2019t do a Copenhagen plank?<\/h2>\n