Muscles

A:

The gluteus maximus muscle is responsible for the movement of the hips and thighs. Rising from a seated position, climbing stairs and standing are all aided by this muscle.

See Full Answer
Filed Under:
  • How many muscles does it take to smile or frown?

    Q: How many muscles does it take to smile or frown?

    A: It is difficult to say how many muscles it takes to smile or frown because all people make different expressions when smiling and frowning. What might be a thoughtful look for one person is another person's frown. The number of facial muscles present also varies between individuals.
    See Full Answer
    Filed Under:
  • What is the tendon behind the knee called?

    Q: What is the tendon behind the knee called?

    A: According to the Cascade Wellness Clinic, the popliteal tendon is situated behind the knee. The tendon connects the popliteus muscle to the femur bone just above the knee.
    See Full Answer
    Filed Under:
  • Where are your glutes located?

    Q: Where are your glutes located?

    A: The glutes, or gluteal muscles, are located on the back of the pelvis region in humans. These muscles combine with a layer of fat to provide a cushiony layer of flesh to sit on.
    See Full Answer
    Filed Under:
  • When will a woman's biceps start to grow?

    Q: When will a woman's biceps start to grow?

    A: Women are incapable of developing their muscles, including the biceps, to the extent of most men due to their lack of testosterone. A woman's biceps, however, can still grow larger and stronger through exercises, such as the dumbbell curl and the chin-up that target this muscle and related muscles.
    See Full Answer
    Filed Under:
  • What muscle extends the toes?

    Q: What muscle extends the toes?

    A: The muscles that extend the toes are the flexor hallucis longus, which flexes and extends the big toe, and the flexor digitorum longus, which flexes and extends the “lateral” four toes. The muscle known as the “flexor hallucis longus” is found on the posterior surface near the fibula and shaft.
    See Full Answer
    Filed Under:
  • How many muscles move your hand?

    Q: How many muscles move your hand?

    A: According to Clinical Anatomy For Dummies, there are a total of 18 intrinsic muscles that work to move each hand. These muscles are in three groups: the thenar muscles, the hypothenar muscles and the interosseous muscles and the lumbricals.
    See Full Answer
    Filed Under:
  • Which muscle bends the knee?

    Q: Which muscle bends the knee?

    A: The muscles that control the knees include the quadriceps, hamstrings and calf muscles. These muscles all work together to allow the knee to move freely in order to walk, run, kick and jump.
    See Full Answer
    Filed Under:
  • How much does the human heart weigh?

    Q: How much does the human heart weigh?

    A: The average weight of a man’s heart is 10 ounces, and the average weight of a women’s heart is 8 ounces. The average heart rate for women is 78 beats per minute, and the average heart rate for men is 70 beats per minute.
    See Full Answer
    Filed Under:
  • What is the function of the trapezius muscle?

    Q: What is the function of the trapezius muscle?

    A: The primary use of the trapezius muscle is to move the shoulder blades, twist head and neck, stabilize the shoulders, shrug and support the arms.This muscle is also considered as an accessory breathing muscle.
    See Full Answer
    Filed Under:
  • How much force can a human exert?

    Q: How much force can a human exert?

    A: Newton's second law of motion states that the force that an object exerts is equal to that object's mass times its acceleration. The amount of force that individuals can exert is directly proportional to their mass and the speed at which they are moving.
    See Full Answer
    Filed Under:
  • What muscle tissue allows you to move your eyeballs?

    Q: What muscle tissue allows you to move your eyeballs?

    A: Six extraocular muscles allow the eyeballs to move: the inferior, superior, lateral and medial rectus muscles together with the inferior and superior oblique muscles. Vision Aware adds that the muscles that move the eyeballs are attached to the sclera, a white outer coating that covers the eyeball.
    See Full Answer
    Filed Under:
  • How do muscles work together to produce movement?

    Q: How do muscles work together to produce movement?

    A: According to Boundless.com, muscles are arranged in groupings of agonist, antagonist and synergists that produce and modulate movement. When a muscle contracts, it moves the bone and spreads the force of the contraction to avoid the tearing of fibers embedded in the periosteum of the bone known as tendons.
    See Full Answer
    Filed Under:
  • What muscles make you punch harder?

    Q: What muscles make you punch harder?

    A: Strengthening the upper arm, forearm, shoulders and chest muscles allows for a harder punch to be thrown. The back muscles play a part in how hard of a punch is thrown as well.
    See Full Answer
    Filed Under:
  • What are dynamic and static contractions?

    Q: What are dynamic and static contractions?

    A: A static (or isometric) contraction occurs when a muscle generates force while the joint angle remains the same. An example would be what happens when a person pushes against a wall. The muscles contract but the joint remains unmoved. A dynamic (or isotonic) contraction occurs when the force generated by the muscle causes movement in the joint. Dynamic contractions occur during most physical activities.
    See Full Answer
    Filed Under:
  • What are fun facts about the muscular system?

    Q: What are fun facts about the muscular system?

    A: The muscular system consists of approximately 700 muscles that belong to one of three distinct categories: skeletal, smooth or cardiac. Skeletal muscles are attached to the body's skeleton and assist it in moving. Smooth muscles are found in the internal organs and help maintain normal functions such as bladder control. Cardiac muscle is only found in the heart.
    See Full Answer
    Filed Under:
  • What is the function of the gluteal muscles?

    Q: What is the function of the gluteal muscles?

    A: The gluteus maximus muscle is responsible for the movement of the hips and thighs. Rising from a seated position, climbing stairs and standing are all aided by this muscle.
    See Full Answer
    Filed Under:
  • What are the muscles used to swing a baseball bat?

    Q: What are the muscles used to swing a baseball bat?

    A: According to BodyBuilding, the main muscles used when swinging a baseball bat are the abdominal muscles, back muscles, leg muscles and forearms muscles. However, in order to increase overall bat swing power, the entire body should be trained so as to help the body work together more efficiently.
    See Full Answer
    Filed Under:
  • What muscles are used in sprinting?

    Q: What muscles are used in sprinting?

    A: The gluteus maximus, hamstrings and quadriceps are large muscle groups used while sprinting. Other large muscle groups used are the gastrocnemius and soleus and hip flexors.
    See Full Answer
    Filed Under:
  • What is the function of the diaphragm?

    Q: What is the function of the diaphragm?

    A: The diaphragm is a sheet of muscle that stretches like a dome over the organs of the upper abdomen and serves as a boundary between the abdominal cavity and the thoracic. It separates the lungs from the main body cavity and, together with the ribs, forms a seal that allows the lungs to inflate as part of the process of respiration.
    See Full Answer
    Filed Under:
  • What muscle group does the standing lateral raise primarily work?

    Q: What muscle group does the standing lateral raise primarily work?

    A: The standing lateral raise primarily works the lateral deltoid muscles, which are the muscles found on the sides of the shoulders. Synergists include the middle and lower trapezius and the anterior, or front, deltoid muscles.
    See Full Answer
    Filed Under:
  • How many muscles does it take to talk?

    Q: How many muscles does it take to talk?

    A: Four main muscles are required for talking. These are the thyroarytenoid muscles, or vocalis muscles; the posterior cricoarytenoid muscles; the lateral cricoarytenoid muscle and the interarytenoid muscle.
    See Full Answer
    Filed Under:

Explore Human Anatomy