Q:

Where are the triceps muscles located?

A:

Quick Answer

The triceps are located on the back of the upper arms and run from the shoulder to the elbow. The biceps are the muscles on the front of the upper arm opposite the triceps.

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Full Answer

Each triceps muscle has three distinct parts. The long head starts at the shoulder and runs to the elbow. The lateral head starts at the top of the humerus, the long upper arm bone, and runs along the back of the arm, attaching at the elbow. The medial head originates lower down and underneath the other two sections. Each part of the triceps muscle contains different combinations of types of muscle fibers and is primarily controlled by the radial nerve.

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Related Questions

  • Q:

    What is the function of the triceps?

    A:

    The main purpose of the triceps is to extend the elbow and straighten the arm. The triceps is located on the back of the arm and attaches to the upper arm around the shoulder and then again to the elbow, but it originates at the shoulder blade. The muscle works opposite to the bicep that is located on the opposite side of the arm.

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  • Q:

    How do your biceps and triceps raise your arm?

    A:

    The biceps and triceps muscles are used to bend and extend the arm, while the deltoids are the muscles that lift the arm. When the bicep muscle contracts or flexes, it bends the forearm toward the shoulder. When the tricep flexes, it extends the forearm, straightening the arm. The bicep and tricep do not contract simultaneously. When one muscle is contracted, the other relaxes.

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  • Q:

    What are examples of flexor and extensor muscles?

    A:

    The Clermont College Biology Department lists examples of flexor muscles as the biceps brachii and the hamstrings, and some examples of extensor muscles are the triceps brachii, the quadriceps femoris and the gastrocnemius. One of the most well-known extensor muscles is the Achilles tendon.

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  • Q:

    What are the major contour muscles of the body?

    A:

    The major contour muscles in the human body are the trapezius muscle, infraspinatus muscle, deltoid muscle, teres major, teres minir, triceps, latissimus, Sartorius, Gluteous medius and major, quadriceps, biceps femoris, triceps surae, peroneous longus, tibialis anterior, adductor magnus, semimembraneous muscle, gastrocnemius muscle, soleous and flexor hallucis longus. Contour muscles are muscles that give shape or “contour” to the body.

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