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Muscular System

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

11,239 Questions

How does zygomaticus gets its name?

not sure but it comes from Latin word for yoke

--well actually it comes from a greek word . In fact in greek, it's called "zygomatikO" which comes from the verb "zyg-O-o" which means to bond two things together. So, in our case, zygomatico means (the bone) which bonds the skull to the maxilla.

ZygOs also means "yoke", so either explanation is possible -because yoke is similar in shape with the two zygomatic bones, if you see them from the front (both of them)

But, I think philologists say it's from the verb (hence, because it bonds skull to maxilla)

*I'm from Greece and a medical student

the verb in greek is "ζυγ-ο-ω", and the bone "ζυγωματικό"

Which muscle straightens leg at the knee?

the quadriceps which are composed of the rectus femoris vastus lateralis vastus medialis and vastus intermedius.

What is a current example of voluntary migration?

Voluntary migration means that a person who wants to move to place. Like if your job ask you to move somewhere like Chicgago and it pays more than your other job and you want to move for the job , Then you would move to a place in your own wish not because you were forced!!!

When we bend our arm what system do you use?

When we bend our arm, we primarily use the muscular and skeletal systems. The muscles, particularly the biceps and triceps, contract and relax to facilitate movement at the elbow joint, which is part of the skeletal system. Nerves from the nervous system also play a crucial role by sending signals to the muscles to coordinate the movement. Together, these systems enable the bending and straightening of the arm.

How many muscles do we have in your body?

Dogs are thought to have over 600 muscles which includes smooth, cardiac and skeletal muscle.

What does a torn rotator cuff look like?

It is a group of 4 tendons that attack to the head of the humerus. It looks kind of like 4 white flat straps attached to a pool cue ball.

How can you protect these muscles from injury?

you can protect your muscular system by doing a warm up first when you do exercise to avoid overstretching your muscle. drink a lot of water when you do exercise to keep you cool and less fatigue. avoid a position that can strain your muscle that can tear your ligament.dont overdo the routine that make you feel muscle ache later.eat a meal that are rich in vitamin B that can help your muscle function.
One way that you can help protect your muscular system is by eating a healthy and balanced diet.

The triceps and biceps are?

Muscles in your arm.
These are the muscles of your upper arm.

What muscle group does Leg Raises belong to?

The leg press works mostly the quadriceps muscle group. The top half, front of your legs above the knee to your hip. If you finish the leg press with a toe raise at the and of each press you will also benefit greatly with strengthened feet, ankles, and calf muscles. Always remember to stretch and be able to press at least 20 times without stopping before moving to a higher weight. This helps strengthen the body, muscles, connective tissues like the tendons etc. to help prevent undue injury from, increasing the weight strain on your body parts before they have a chance to properly adjust to the new weight load.

What is the main action of gluteals?

They are responsible for moving your leg backwards, extension.

What do axial muscles include?

The heart and the lungs, these are known as involuntary muscles.

The heart is made up of cardiac muscles what happend when these muscles contract?

Yes, the heart is made of muscles, however, these muscles do not all contract at one time. They contract in synchrony and when they contract they squeeze the chamber they surround such are the atria or ventricle and blood is pushed out of the chamber.

What acid do tired muscles contain?

Tired muscles contain lactic acid. Therefore, we must do more exercises... and not overwork ourselves.
The acid accumulated in the muscle, as a result of the metabolic activitites, is called lactic acid. Usually this lactic acid is broken down, in the presence of oxygen, so we don't get cramps. However, if there is a shortage of oxygen, then this acid accumulates and doesn't break down, causing cramps.
During exercise muscles in the body create lactic acid (also called lactates). Lactic acid is created in the muscles through the breakdown of glucose and can be used a source of glucose.
lactic acid
lactic acid. it is then passed through the blood and to the lungs to be released as air!
Lactic Acids
lactic acid

What are the thin filaments in striated muscle?

Actino myosin is the thin protein found in muscles.

What muscle flexes and adducts arm at the shoulder?

which shoulder muscle allows you to adduct your arm

Which muscles do you use in a back handspring?

Well,My mom is putting me in tumbling in x-athletics and i went to gymnastics before and I couldn't get my muscles strong enough...so my mom asked my coach what muscles do you use for a back handspring.She said back handsprings use the abs the most,so I started working out my abs every day.

What muscles flex and extend the forearm?

Biceps Brachii flexes the forearm and the Triceps Brachii extends the forearm.