David Clark Scott
The basic idea behind body armor hasn't changed very much in the past few thousand years. First, armor stops weapons or projectiles from reaching a person's body. Second, it diffuses the weapon's energy so that the final impact causes less damage. While it's not effective in ev...
Ankle push-off is important for efficient, human-like walking, and many prosthetic devices mimic push-off using motors or elastic elements. The knee is extended throughout the stance phase and begins to buckle just before push-off, with timing being cruc
接下来,假肢技师需进行残肢取型,并为假肢测量,这个步骤也有可能在初次评估或后续任何阶段中进行。取型可以比作为您的残肢绘制“蓝图”,从而为您独特的残肢设计出一个合适、舒适的假肢接受腔。因为这是假肢悬吊的基础(假肢在此处与您的残肢相连接),获取残肢准确形状至关重要。当施加压力时,软组织会变形,这是假肢技师...
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This fire is intense and a blue-white blast of fire much more powerful than that of a average Nadder. Spine Shot The Deadly Nadder also has at its disposal a tail that is covered in bristling deadly venomous spikes, which are used as projectiles to stun or immobilize its prey. Its ...
Its legs are practically useless in battle, and due to its short tail it has a fairly small attack range. In the How to Train Your Dragon Live Spectacular, Gronckles appear to have a similar body structure as the animated version. However they have much more bulk in their torso and a...
In some original concept art for Toothless by Simon Otto, Toothless had a single fin running down his back, much like the Light Fury. In some original concept art for Toothless by Nico Marlet, the designs look somewhat similar to the Skrill.Preceded...
The Submaripper is also seen on one of Fishlegs' Dragon Cards and on Hiccup's Map in How to Train Your Dragon 2 and Race to the Edge. It seems like the Submaripper is based off an octopus, a blue whale, and the Leviathan. The Submaripper's tail is much longer in the comics ...