> ## Documentation Index
> Fetch the complete documentation index at: https://movement.mantavyam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Bent-legs plank

> Beginner · Static · Bilateral. Strength

<video controls playsInline preload="none" poster="/images/exercises/e171.jpg" src="https://firebasestorage.googleapis.com/v0/b/calistree.appspot.com/o/exerciseVideos%2Fe171%2Fe171-264.mp4?alt=media&token=83e5f472-8940-4901-af6c-ed72cc88c547" className="w-full aspect-square rounded-xl" />

Also known as: Knees up, Bear crawl hold.

| | |
| - | - |
| **Difficulty** | Beginner |
| **Velocity** | Static |
| **Symmetry** | Bilateral |
| **Athlete** | Louis |
| **Video length** | 13 s |

## Technique

1. Start on all fours with hands below the shoulders and knees below the hips, toes tucked
2. Push down into the ground with your feet to slightly elevate the knees from the floor
3. Hold the position for time

## Form tips

* Maintain a flat back and engage your Abs.

## Muscles

<div className="rounded-2xl border border-gray-200 dark:border-gray-800 px-5 pt-4 pb-1 my-6">
  <div className="flex items-center gap-2 font-semibold" style={{color: "#c8102e"}}><Icon icon="dumbbell" color="#c8102e" size={18} /> Strength</div>

  <div className="max-w-md mx-auto my-4">
    <div className="relative w-full">
      <img src="https://mintcdn.com/openmovement/6MqOY9401y9_GkuQ/images/muscle-map/body.svg?fit=max&auto=format&n=6MqOY9401y9_GkuQ&q=85&s=f51e7c4f06c31ba86e1b6bbd192d6d4d" alt="" noZoom className="block w-full m-0" width="1538" height="1340" data-path="images/muscle-map/body.svg" />

      <svg viewBox="0 0 406.99026 354.43411" className="absolute inset-0 w-full h-full" role="img" aria-label="Strength muscle map">
        <g fill="#c8102e" stroke="#7f1d1d" strokeWidth="0.15">
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          <path d="M98.21,60.96 98.09,59.21 97.87,57.62 96.79,57.08 97.20,59.81 97.91,66.24 98.18,63.09ZM95.55,71.18 96.57,71.44 97.22,71.78 95.29,66.36ZM99.56,74.47 98.88,74.43 98.50,74.28 98.18,74.03 97.93,73.72 97.85,75.59 97.70,75.26 64.25,90.86 65.91,93.07 67.04,94.81 67.74,96.01 68.90,98.29 71.10,103.20 71.78,104.51 72.53,105.77 73.39,106.96 74.36,108.05 75.05,108.69 76.56,109.79 78.21,110.68 79.07,111.06 80.86,111.68 83.63,112.34 87.13,112.80 91.42,113.04 95.84,113.04 96.66,112.91 97.31,112.68 97.89,112.31 98.25,111.89 98.51,111.41 98.72,110.74 98.97,108.75 99.44,108.71 99.72,102.56 99.82,95.06 99.68,87.70 99.67,87.77 99.93,86.01 100.01,84.51 99.98,83.46 99.80,81.90 99.48,80.35 99.11,78.98 99.21,79.31 98.90,75.48 98.96,75.14 99.10,74.89 99.32,74.75 99.59,74.70ZM106.24,62.72 106.53,66.24 107.24,59.81 107.64,57.08 106.56,57.62 106.35,59.21 106.23,60.96ZM107.21,71.78 107.96,71.40 108.89,71.18 109.14,66.36ZM105.33,74.89 105.48,75.14 105.53,75.48 105.23,79.31 104.64,81.90 104.43,83.99 104.46,85.56 104.77,87.77 104.76,87.70 104.61,94.52 104.68,101.39 104.99,108.75 105.47,108.79 105.45,108.64 105.71,110.74 105.92,111.41 106.19,111.89 106.55,112.31 107.12,112.68 107.78,112.91 108.60,113.04 113.01,113.04 117.31,112.80 120.80,112.34 123.58,111.68 125.37,111.06 126.23,110.68 127.87,109.79 129.38,108.69 130.07,108.05 131.05,106.96 131.90,105.77 132.66,104.51 133.33,103.20 135.53,98.29 136.70,96.01 137.39,94.81 138.52,93.07 140.18,90.86 106.73,75.26 106.58,75.59 106.50,73.72 106.25,74.03 105.93,74.28 105.55,74.43 105.17,74.49 105.06,74.74Z" fillOpacity="0.4" />
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      </svg>
    </div>
  </div>

  <Columns cols={2}>
    <Card title="Primary"><ul className="not-prose list-none p-0 mt-2 mb-0 space-y-1.5"><li className="flex items-center gap-2"><span className="inline-block w-2 h-2 rounded-full shrink-0" style={{background: "#cc2742"}} />Abs</li><li className="flex items-center gap-2"><span className="inline-block w-2 h-2 rounded-full shrink-0" style={{background: "#cc2742"}} />Obliques</li><li className="flex items-center gap-2"><span className="inline-block w-2 h-2 rounded-full shrink-0" style={{background: "#cc2742"}} />Serratus anterior</li></ul></Card>
    <Card title="Secondary"><ul className="not-prose list-none p-0 mt-2 mb-0 space-y-1.5"><li className="flex items-center gap-2"><span className="inline-block w-2 h-2 rounded-full shrink-0" style={{background: "#e299a6"}} />Pelvis</li><li className="flex items-center gap-2"><span className="inline-block w-2 h-2 rounded-full shrink-0" style={{background: "#e299a6"}} />Chest</li></ul></Card>
  </Columns>
</div>

<Accordion title="Individual muscles" icon="list">
  * Rectus abdominis
  * External oblique
  * Internal oblique
  * Serratus anterior
</Accordion>

## Equipment

<div className="not-prose" style={{display: "grid", gridTemplateColumns: "repeat(auto-fill, minmax(10rem, 1fr))", gap: "0.75rem"}}><a href="/collections/equipment/ground-hands-or-body" className="flex flex-col rounded-xl border border-gray-200 dark:border-gray-800 overflow-hidden no-underline text-gray-900 dark:text-gray-100 hover:border-gray-400 dark:hover:border-gray-600"><div className="bg-white flex items-center justify-center p-3" style={{height: "8.5rem"}}><img src="https://mintcdn.com/openmovement/vLNdve7XPAGUwV8u/images/equipment/q01h.webp?fit=max&auto=format&n=vLNdve7XPAGUwV8u&q=85&s=29181eaf27fe629ddae54c0248aef224" alt="Ground (hands or body)" noZoom className="m-0 w-full h-full object-contain" width="286" height="173" data-path="images/equipment/q01h.webp" /></div><span className="px-3 py-2.5 text-sm font-medium leading-snug border-t border-gray-200 dark:border-gray-800">Ground (hands or body)</span></a><a href="/collections/equipment/parallettes" className="flex flex-col rounded-xl border border-gray-200 dark:border-gray-800 overflow-hidden no-underline text-gray-900 dark:text-gray-100 hover:border-gray-400 dark:hover:border-gray-600"><div className="bg-white flex items-center justify-center p-3" style={{height: "8.5rem"}}><img src="https://mintcdn.com/openmovement/vLNdve7XPAGUwV8u/images/equipment/q00a.webp?fit=max&auto=format&n=vLNdve7XPAGUwV8u&q=85&s=26e3cfa1450c1804eeac014f2490914d" alt="Parallettes" noZoom className="m-0 w-full h-full object-contain" width="250" height="261" data-path="images/equipment/q00a.webp" /></div><span className="px-3 py-2.5 text-sm font-medium leading-snug border-t border-gray-200 dark:border-gray-800">Parallettes</span></a></div>

## Appears in

<div className="not-prose rounded-2xl border border-gray-200 dark:border-gray-800 px-5 py-4 flex flex-col gap-4"><div style={{display: "flex", flexWrap: "wrap", gap: "0.5rem 1rem", alignItems: "baseline"}}><div className="flex items-center gap-2 font-medium text-gray-900 dark:text-gray-100" style={{flex: "0 0 10rem"}}><Icon icon="dumbbell" size={16} /> Strength</div><div style={{flex: "1 1 18rem", display: "flex", flexWrap: "wrap", gap: "0.5rem"}}><a href="/collections/strength/chest" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500">Chest</a><a href="/collections/strength/abs" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500">Abs</a><a href="/collections/strength/obliques" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500">Obliques</a><a href="/collections/strength/pelvis" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500">Pelvis</a></div></div><div style={{display: "flex", flexWrap: "wrap", gap: "0.5rem 1rem", alignItems: "baseline"}}><div className="flex items-center gap-2 font-medium text-gray-900 dark:text-gray-100" style={{flex: "0 0 10rem"}}><Icon icon="person" size={16} /> Joint movements</div><div style={{flex: "1 1 18rem", display: "flex", flexDirection: "column", gap: "0.5rem"}}><div className="flex flex-wrap items-center gap-2"><span className="text-sm text-gray-500 dark:text-gray-400 w-20">Trunk</span><a href="/collections/joint-movements/trunk-flexion" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500"><span className="inline-block w-2 h-2 rounded-full" style={{background: "#c8102e"}} />flexion</a></div><div className="flex flex-wrap items-center gap-2"><span className="text-sm text-gray-500 dark:text-gray-400 w-20">Shoulder</span><a href="/collections/joint-movements/shoulder-protraction" className="inline-flex items-center gap-1.5 rounded-full border border-gray-200 dark:border-gray-700 px-3 py-1 text-sm text-gray-700 dark:text-gray-300 no-underline hover:border-gray-400 dark:hover:border-gray-500"><span className="inline-block w-2 h-2 rounded-full" style={{background: "#c8102e"}} />protraction</a></div><div className="flex gap-4 text-xs text-gray-500 dark:text-gray-400"><span className="inline-flex items-center gap-1.5"><span className="inline-block w-2 h-2 rounded-full" style={{background: "#c8102e"}} /> trains</span><span className="inline-flex items-center gap-1.5"><span className="inline-block w-2 h-2 rounded-full" style={{background: "#1e88e5"}} /> stretches</span></div></div></div></div>

## Progressions

<Columns cols={3}>
  <Card title="Plank" img="https://mintcdn.com/openmovement/8P9v7hq8gCkvmVqE/images/exercises/e07z.jpg?fit=max&auto=format&n=8P9v7hq8gCkvmVqE&q=85&s=b4b463657319604951b9fb30feeada1a" href="/exercises/plank-e07z" width="320" height="320" data-path="images/exercises/e07z.jpg">Beginner</Card>
</Columns>

<Accordion title="View Similar Exercises" icon="shuffle">
  <Columns cols={3}>
    <Card title="Incline plank" img="https://mintcdn.com/openmovement/9Q5h2q8IU-lkWVKY/images/exercises/e05i.jpg?fit=max&auto=format&n=9Q5h2q8IU-lkWVKY&q=85&s=48b6ffca19ab47a5a71c1a7854a36cc4" href="/exercises/incline-plank-e05i" width="320" height="320" data-path="images/exercises/e05i.jpg">Beginner</Card>
    <Card title="Plank fingers back" img="https://mintcdn.com/openmovement/8P9v7hq8gCkvmVqE/images/exercises/e080.jpg?fit=max&auto=format&n=8P9v7hq8gCkvmVqE&q=85&s=1869eb10bf32cc1e3d7942a15f1ea50a" href="/exercises/plank-fingers-back-e080" width="320" height="320" data-path="images/exercises/e080.jpg">Novice</Card>
    <Card title="Low plank" img="https://mintcdn.com/openmovement/u4isihpalktq37dc/images/exercises/e0xo.jpg?fit=max&auto=format&n=u4isihpalktq37dc&q=85&s=ab4c298d9405f2a68167172f69c49e31" href="/exercises/low-plank-e0xo" width="320" height="320" data-path="images/exercises/e0xo.jpg">Beginner</Card>
    <Card title="Horizontal plank" img="https://mintcdn.com/openmovement/C5MvCdZlQGzP5T4h/images/exercises/e1ag.jpg?fit=max&auto=format&n=C5MvCdZlQGzP5T4h&q=85&s=be28c7d7d9ed71e87a48ead594d03e11" href="/exercises/horizontal-plank-e1ag" width="320" height="320" data-path="images/exercises/e1ag.jpg">Beginner</Card>
    <Card title="Plank shoulder tap" img="https://mintcdn.com/openmovement/HEkm5v6rSDyOaCLR/images/exercises/e0ij.jpg?fit=max&auto=format&n=HEkm5v6rSDyOaCLR&q=85&s=12175c55aef01bbf05e7e9900e9d20b7" href="/exercises/plank-shoulder-tap-e0ij" width="320" height="320" data-path="images/exercises/e0ij.jpg">Novice</Card>
  </Columns>
</Accordion>

<Note>
  Want to log this exercise? Open it in [Calistree](https://calistree.app/datasheet/bent-legs-plank-e171). Text and images are used under [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/); the video plays from the original source.
</Note>


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