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A skater will pull his/her arms in close to their body while spinning to increase the speed and force of the spin in routines this also helps to improve the fluency of the routine and is able to keep going in time to the music. They extend their arms to improve the look of the spin within a performance or routine
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Does the dorsal musculature of the body act to extend joints?
Yes, the doral musculature of the body acts to extend joints. For instance, the triceps extends the arms, and the paraspinal muscles extend the spine.
What galaxy arms extend from a core full of black holes?
The Milky Way galaxy has several spiral arms that extend from a central core. While the core itself contains a supermassive black hole, known as Sagittarius A*, the arms do not specifically extend from the black hole but rather spiral out from the central bulge of the galaxy.
Which galaxy arms extend from a core full of black holes?
The Milky Way galaxy has arms that extend from a central region containing a supermassive black hole known as Sagittarius A*. This central region is surrounded by stars and dust that make up the galactic core.
Why do neutron star spin so rapidly?
Neutron stars spin rapidly due to the conservation of angular momentum. When a massive star collapses into a neutron star, its rotation speed increases dramatically due to the conservation of angular momentum, just like a figure skater spinning faster when they pull their arms in. Additionally, the rapid rotation can be sustained by the incredibly high density and strong gravitational forces present in neutron stars.
What allows you to flex and extend your lower leg and upper arms?
The muscles responsible for flexing and extending your lower leg are the quadriceps and hamstrings, while the muscles responsible for flexing and extending your upper arms are the biceps and triceps, respectively. These muscle groups work in opposition to each other to facilitate these movements.
