Want this question answered?
Muscles are all attached to bones. By contracting they become shorter and move the bones. This is the way we move.
Since vomiting is unnatural, it works all the muscles in your abdomine and chest, therefore stressing them and causing them to ache!
muscles are at work All the time>
Veins are assisted in maintaining one way flow by the skeletal muscles' contrations. Valves also ensure one-way flow.
Yes they do, they're called antagonistic pairs. However, I have also heard that there is a paradox that happens when you try to stand up from a sitting position which should be impossible because your hamstings and quadriceps are both contracting at the same time rather than one contracting and the other relaxing as antagonistic pairs should work.
Muscles, tendons, ligaments and joints all work together to produce movement due to the fact that they are all attached. As the muscles, tendons, and ligaments expand and contract they pull the bones of the joint allowing the joint to move.
We all have muscles! Some of us don't use them much!
ab crunches work out your ab muscles.
Muscles can contract, and they can relax. Most muscles are connected to bones, although some are not (such as the lip muscles). All the movements of the human body are caused by various patterns of contracting muscles and relaxing muscles.
Weight benches work all types of muscles. The muscles that weight benches work are the thighs, biceps, triceps, stomach, legs, chest, back and the glutes.
Swimming
you should work out all your muscles, as if you just work out certain ones, then other muscles may develop problems such as pains and tightness due to not being used while other muscles are being possibly overworked