強壯和虛弱：只要你的肘部貼緊軀干，并且指向胯部，你的手臂就會變得更有力，哪怕你看起來不是一個強壯的人。而只要你的肘部抬高過肩膀，遠離軀干，原理胯部，你就會變得虛弱，哪怕你看起來十分強壯。在墊子上所謂的強壯是由于姿勢和位置，因此，我們所認為的虛弱大多是由于姿勢和位置的失敗或不完美造成的。所以，柔術的目標始終是破壞對手的姿勢，使其失去位置，從而使膝蓋和肘部遠離軀干，頸部轉向或傾斜；同時保持自己的姿勢和位置。基礎力量是個好東西，但它可以通過姿勢和位置大大提高，也可以因為被破壞而降低。

Where you’re strong and where you’re weak: As long as your elbows are tight to your torso and pointing down towards your hips, your arms will feel very strong - even if you aren’t normally considered a strong person. As soon as your elbows are taken out of position over your shoulders and away from the torso and pointing away from the hips - you will feel weak even if normally you’re considered a very strong person. What we call strength on the mat is mostly due to stance and positioning. What we perceive as weakness is most due to failures or imperfections in stance and positioning. The goal in Jiu jitsu then, is always to break an opponent’s stance and take them out of position so that knees and elbows are extended away from the torso and neck turned or tilted; whilst at the same time preserving your own stance and positioning. Raw strength is a good thing, but it can be greatly increased by stance and positioning and greatly decreased by the destruction of these