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Asynchronous muscles produce work when they undergo mechanical oscillations provided there is sufficient Ca 2+. [ 1 ] [ 6 ] This can be achieved in one of two ways. First, two antagonistic muscles can be configured with elastic structures such that the contraction of one muscle stretches the other, causing it to activate and vice versa.
Two sets of muscles move the mandibles in the coronal plane of the mouth: abductor muscles move insects' mandibles apart ; adductor muscles bring them together . They do this mainly in opening and closing their jaws in feeding, but also in using the mandibles as tools, or possibly in fighting.
Butterfly stroke Overhead shot of a swimmer performing the butterfly stroke Butterfly stroke, shortly before entering the water again; view from behind. The butterfly (shortened to fly [1]) is a swimming stroke swum on the chest, with both arms moving symmetrically, accompanied by the butterfly kick (also known as the "dolphin kick") along with the movement of the hips and chest.
The muscles that control flight vary with the two types of flight found in insects: indirect and direct. Insects that use first, indirect, have the muscles attach to the tergum instead of the wings, as the name suggests. As the muscles contract, the thoracic box becomes distorted, transferring the energy to the wing.
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YouTube Studio offers features for creators to manage their own channels, including a dashboard for news and personal notifications, [7] [8] general management of one's own videos on the platform, [9] channel analytics, [10] monetization and copyright management, [11] [12] and other resources and tools for channel customization. [13] [14] [15] [16]
How do I make the butterfly sex position work for me? If you’re reading this and thinking, “Yeah, I don’t think I can get my ankles onto their shoulders,” don’t fret.