لماذا لا نستطيع المشي أثناء الوقوف في المكان ، بينما نستطيع الجري؟

13 مارس 2013

المشي هو انتقال الساق الى الأمام وهي ممدودة، ولذلك لا يستطيع الإنسان المشي وهو ثابت في مكانه، اما الركض فهو رفع الساق ثم ثنيها عند الركبة وهذا ممكن عمله والشخص ثابت في مكانه.

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أخر المواضيع من قسم : جسم الانسان،

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لماذا لا نستطيع المشي أثناء الوقوف في المكان ، بينما نستطيع الجري؟

أخر المواضيع من قسم : جسم الانسان،

تعليقات

إرسال تعليق