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Q: What class of lever is abducting the arms in jumping jack?
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What does adduction mean in anatomy?

Adduction in anatomy is bringing the limb closer to the midline. For instance, when you do a jumping jack, you are ABducting when you bring your arms overhead, in a Y shape, and ADducting when you bring your arms back to your sides.


Is a wall mounted bottle opener a third class lever?

Hinge is a joint. It is designed to join two 'arms' together while letting them move freely. A lever is when a pivot, load, effort is present. Although hinge itself is not a lever, but taking our biceps as an example, that would be a Class 3 lever


What was the first lever made?

volcanic arms


How is a baseball a lever?

You are thinking of the baseball bat. The ball itself is not a lever. The bat is a lever, in the sense that it magnifies the motion of your arms.


Bones used in jumping jacks?

Bones used in jumping jacks will be the bones of the arms and legs. The extremities will move when jumping jacks are done.


What type of lever is like your arms and legs?

puley


When jumping a warmblood horse should you tuck your arms in while in 2 pt over the jump?

When jumping ANY horse your arms should be tucked in and not out to the sides like chicken wings.


Where is the fulcrum on a bike?

The pedal arms are levers, as are the hand-brake levers. These components meet the definition of a lever by being rigid arms that pivot at one point to apply force at another point when pressure is applied at a third point.


Did Hartford Arms make a 44 caliber lever action?

No. There was a 45


What kind of lever is a rolling pin?

A rolling pin is not a lever when it is used in the conventional manner. The levers at work in this action are the arms of the user.


Is their a lever on a bike?

Yes. A bike will have several levers. The crank arms are levers, the brake levers are levers, the shifters are levers, the handle bar is a lever.


What simple machine has a continuous lever with equal arms?

a cross-bar lug wrench