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That would be bones.

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With proper Exercise and diet anyone regardless of gender of body type can achieve a six pack all it required is persistence and dedication.

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It is very hard, I mean hard there are no soft parts everything is perfect, the physique now that is something these girls are so unique that their body has been through perfection it feels unreal but it is real I love their bodies

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No, a structure has to be radio-opaque to show up on an x-ray.

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Intercostal muscles are muscle between two ribs in our chest region. The constrict to lift ribs and increase the volume of rib cage. Increasing the volume the low air pressure attract air in lungs. So we respire by relaxing these muscles we expire the air out.

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The Triceps extend (Stretch out) as the biceps contract.

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... Is when you pull the bar/handlebar up, towards your body.

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Trapzius, Levator Scapilae, Deltoid, Rhomboids, rotator cuff, Tricep brachii, brachioradialis, latissimus dorsi all located in the upper body. This does not incluse the lower body muscles required to stand, rotate and maintain balance such as the Gluteus maximus, bicep femoris, semitendainosus, semimembranosus, gastrocnemius, soleus, tibialias porterior, peroneus longus, peroneus brevis. Basically the whole muscular network comes in to play when passing a rugby ball.

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A+ TENDONS

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Without the release of acetlycholine muscle could not contract.

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Size varies from person to person, but typically its about the size of its owners' clenched fist.

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The heart is a muscle, if you are asking whether having a heart diagnosed as being "enlarged" (or cardiomegaly) is it bad for you, the answer is it could be. That can be a finding from radiology or other imaging that may indicate the heart is building up the size of the muscle by having to beat harder and/or faster to compensate for some other problem that is not allowing proper circulation of blood. You may need further testing to be sure if there is an underlying problem and if so it can be addressed so you can prevent further heart enlargement and the strain of its extra work.

If you are asking if having extra weight and size from large muscles is hard on your heart, then again, it could be. Usually weight issues that cause problems with your heart are due to obesity (excess fat), rather than excess muscle. The excess fat does more to damage your circulatory system than just make your heart work harder and it leads to other associated diseases and disorders that are also bad for your heart (such as diabetes and hypertension).

Muscle actually is a more dense tissue than fat and, therefore can weigh more. Carrying too much extra weight, regardless of the source of the weight, can make your heart work harder just to keep everything oxygenated. However, usually those who have extra skeletal muscle are also doing other good things to offset this minor effect of the weight of muscle (cardiovascular exercise, good nutrition, etc.). Their bodies do not have excess fat that causes many problems since they are working out. The end result is often that the exercise and proper foods that are good for your lungs and muscles will offset any issues from the extra weight of the muscle.

But, too much of a good thing can also end up being bad. Extremely and abnormally large muscles can be hard on all your body systems.

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A tendon.

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The eyes' muscle group is the orbicularis oculi

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yes, you certainly can. characteristics of the 'common muscle cold' are sneezing of the muscles, resulting in mucus excretion, and many larger muscles can cough.

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The biceps muscle contracts (which is to say, gets shorter) when you bend your arm. It relaxes when you extend your arm.

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occipitalis

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Latissimus Dorsi

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it is pushing blood through

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Subscapularis, infraspinatus, supraspinatus, teres major and minor, deltoid and trapezium, latissimus dorsi, pectoralis minor, coracobrachialis, biceps and triceps brachii, levator scapulae and the two rhomboideus, serratus anterior. I can't count them, but these are only ones I can remember.

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No, the quadriceps fermoris is a skeletal muscle.

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Voluntary motions are completely under the control of an organism like walking, jumping etc but Involuntary motions are completed without any conscious recognition and effort of organism like heart beat and reflex actions.

Not quite the same as conscious versus unconscious.