Muscles

A:

A group of muscle cells, or myocytes, is known as a muscle fascicle. Muscle fascicles are connected by a connective tissue sheath, known as the perimysium.

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  • 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.
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  • What Does It Mean If You Can Tie a Cherry Stem With Your Tongue?

    Q: What Does It Mean If You Can Tie a Cherry Stem With Your Tongue?

    A: If someone can tie a cherry stem into a knot with their tongue, that suggests they may be a good kisser due to the oral dexterity required to perform the feat. It is a common trick performed at bars due to the presence of Maraschino cherries as drink garnishes.
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  • What Is the Muscle That Allows You to Shrug Your Shoulders?

    Q: What Is the Muscle That Allows You to Shrug Your Shoulders?

    A: Shrugging of the shoulders is primarily accomplished by the upper region of the trapezius muscle. The upper trapezius extends from the shoulder blade up to the back of the neck and is a common target of weight training exercises.
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  • 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.
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  • 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.
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  • 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.
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  • What Is the Main Function of the Quadriceps?

    Q: What Is the Main Function of the Quadriceps?

    A: The quadriceps, also known as the thigh muscles, move the knee and the hip, and they prevent the knee from buckling. The quadriceps are engaged when doing squats, climbing stairs, standing up and walking.
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  • 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.
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  • Do Bicep Muscle Curls Work?

    Q: Do Bicep Muscle Curls Work?

    A: Although biceps curls work to build the biceps muscles, according to Throwback Fit, they are a very ineffective exercise for this purpose. Muscle & Fitness suggests making small changes to biceps curls that make the exercises more effective.
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  • 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.
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  • 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.
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  • What Is the Shortest Muscle in the Body?

    Q: What Is the Shortest Muscle in the Body?

    A: The stapedius muscle, which is the shortest muscle in the human body (at a mere millimeter in length), holds the stapes in place inside the tympanic cavity of the ear. The stapedius works in conjunction with the smallest bone in the body to aid the function of hearing.
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  • 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.
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  • 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.
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  • Why Can't I Sit Cross-Legged?

    Q: Why Can't I Sit Cross-Legged?

    A: According to Yoga Journal, sitting cross-legged requires flexibility in the hip joints, back and inner thighs, and pelvis. These muscles are all very strong and can take some coaxing before stretching and relaxing enough for this to be a comfortable seated position.
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  • 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.
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  • What Happens When Muscles Get Tired?

    Q: What Happens When Muscles Get Tired?

    A: According to Gatorade Sports Science Institute, muscles hurt when they tire due to the accumulation of lactic acid. Muscles produce energy by converting glycogen into adenosine triphosphate with the release of acid and carbon dioxide. Muscles tire quickly during heavy exercises causing a demand for more energy. When the amount of oxygen supply to exercising muscles is limited, aerobic respiration takes place, resulting in an acidic environment within muscle fibers.
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  • How Are Muscles Attached to Bone?

    Q: How Are Muscles Attached to Bone?

    A: Most muscles are attached to bones by connecting tendons. Tendons are thick, tough cords of tissue that firmly attach to both the muscle and the bone, connecting the two. A few muscles attach directly to the bone without a connecting tendon.
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  • 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.
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  • Which Trunk Muscle Allows You to Adduct Your Arms?

    Q: Which Trunk Muscle Allows You to Adduct Your Arms?

    A: The trunk muscles involved in arm adduction are the pectoralis major and pectoralis minor. Other muscles involved in arm adduction and transverse arm adduction are latissimus dorsi, pectoralis major, pectoralis minor, teres major, coracobrachialis and triceps brachii.
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  • What Muscles Are Used When Walking?

    Q: What Muscles Are Used When Walking?

    A: The muscle groups used when walking include the calf muscles, tibialis anterior and ankle extensor muscles, hamstring muscles and quadriceps muscles, according to HowStuffWorks. The hip flexor muscles, buttock muscles, abdominal muscles, and arm and shoulder muscles are also used.
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