Why Astronauts Have Strong Handshakes

The video discusses the importance of spacewalks, or extra-vehicular activities, in space missions. It highlights the physical challenges astronauts face, such as weightlessness and the need for strong hand and forearm muscles. The video also covers the injuries astronauts can sustain, particularly to their hands, and the technological advancements like the robo glove that aim to alleviate these issues. The video concludes with acknowledgments to supporters.

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