Muscular System

The muscular system allows humans to move. Muscles also provide strength, balance and heat.

26,457 Questions
Muscular System

Provide levers against wich muscles pull?

That would be bones.

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Health
Muscular System

Can a girl have a six pack?

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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Muscular System

How hard is a girls rock hard six pack and muscular physique?

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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Muscular System

Where are your quadriceps?

Quadriceps

The quadriceps femoris (quadriceps, quadriceps extensor, or quads) includes the four prevailing muscles on the front of the thigh. It is the great extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur. It is subdivided into separate portions, which have received distinctive names.

  • Rectus femoris occupies the middle of the thigh, covering most of the other three quadriceps muscles. It originates on the ilium. It is named from its straight course.
  • The other three lie deep to rectus femoris and originate from the body of the femur, which they cover from the trochanters to the condyles:
    • Vastus lateralis is on the lateral side of the femur.
    • Vastus medialis is on the medial side of the femur.
    • Vastus intermedius lies between vastus lateralis and vastus medialis on the front of the femur.1

1. FINDERMIND.COM

The quadriceps is the large group of muscles located in the front of the thigh. Mostly they straighten the knee. It is the great extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur. It is the strongest and leanest muscle in the human body.

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Muscular System

Can you see torn muscles on an x-ray?

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

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Muscular System

Function of intercostal muscle?

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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Endocrine System
Muscular System

When you perform flexion on your arm the biceps muscle contracts What happens to the triceps muscle on the posterior of the arm as you do this action?

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

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Muscular System

What is the PK muscle?

There is no muscle that is routinely referred to in medicine or anatomy as the PK muscle and without context it is not easy to guess which you might mean. Perhaps you mean the PC muscle?

For information about the pubococcygeus muscle (PC muscle) see the related questions section.

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Endocrine System
Muscular System

Consentric action of a bicep curl?

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

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Muscular System

What muscles are used in a rugby pass?

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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Muscular System

What attaches muscles to bones?

A+ TENDONS

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Muscular System

How would a drug that blocks acetylcholine release affect muscle contraction?

Without the release of acetlycholine muscle could not contract.

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Muscular System

How large is the heart muscle?

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

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Cardiovascular Health
Muscular System
Heart

Is too much muscle bad for your heart?

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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Muscular System

What is the anchor for the origin of a muscle?

A tendon.

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Muscular System

Muscle use in blinking and squinting?

The eyes' muscle group is the orbicularis oculi

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Muscular System

Can you get a cold in your muscles?

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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Endocrine System
Muscular System

What happens to biceps if you bend your arm?

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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Muscular System

What muscle allows us to wiggle your ears?

occipitalis

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Muscular System

What is the real name for the muscle called lats?

Latissimus Dorsi

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Muscular System

The heart is made up of cardial muscles What happens when these muscles contract?

it is pushing blood through

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Muscular System

How much do muscles weigh?

Answer:

All muscles are not the same width or length so the weight (or mass to be technical) varies with the volume. On average the density of mammalian skeletal muscle tissue (us, beef, or mouse) is about 1.06 g/cm3 . This means that a stack of boneless lean steaks equalling about 1 cubic foot will weigh about 63 pounds.
Depends which muscle, what the sex of the person is, etc, etc.
approximately 1 pound per inch.
Each liter (33 oz/4 cups) of muscle is 1.06 kg. that is the same as 2.33 pounds. 1 liter of fat weighs 0.9 kg. Therefore if you and your friend are the same height and she has more fat but you weigh more that's why.
Muscle weight depends on the size and density, just like everything else in the world.

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Muscular System

How many muscles attach to scapula?

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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Muscular System

Are the quadriceps femoris smooth muscles?

No, the quadriceps fermoris is a skeletal muscle.

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Biology
Muscular System

What is the difference between voluntary and involuntary movement?

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.

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