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Human Muscles Identification

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Terms in this set (20)

  • What is the primary function of skeletal muscles?

    Skeletal muscles enable voluntary movement by contracting and pulling on bones.

  • Name the muscle located on the front of the upper arm.

    The biceps brachii is located on the front of the upper arm and is responsible for elbow flexion.

  • Which muscle is found on the back of the upper arm?

    The triceps brachii is on the back of the upper arm and extends the elbow.

  • Identify the large chest muscle involved in arm movement.

    The pectoralis major controls movements like arm flexion, adduction, and rotation.

  • What muscle covers the shoulder and allows arm rotation?

    The deltoid muscle covers the shoulder and is responsible for arm abduction and rotation.

  • Name the muscle group on the front of the thigh.

    The quadriceps femoris group extends the knee and includes four muscles.

  • Which muscle is located on the back of the thigh?

    The hamstrings group flexes the knee and extends the hip.

  • Identify the muscle responsible for plantar flexion of the foot.

    The gastrocnemius muscle in the calf performs plantar flexion at the ankle.

  • What is the main muscle involved in breathing located below the lungs?

    The diaphragm contracts to increase thoracic volume during inhalation.

  • Which muscle group is responsible for flexing the forearm at the elbow?

    The biceps brachii and brachialis muscles flex the forearm at the elbow joint.

  • Name the muscle that extends the forearm at the elbow.

    The triceps brachii extends the forearm at the elbow joint.

  • Which muscle is the major extensor of the hip?

    The gluteus maximus extends and laterally rotates the hip.

  • Identify the muscle that flexes the spine and compresses the abdomen.

    The rectus abdominis flexes the lumbar spine and compresses abdominal contents.

  • What muscle group is responsible for moving the scapula?

    The trapezius muscle moves, rotates, and stabilizes the scapula.

  • Which muscle is the prime mover for hip abduction?

    The gluteus medius abducts and medially rotates the thigh.

  • Name the muscle that flexes the wrist and fingers on the anterior forearm.

    The flexor group of muscles in the anterior forearm flex the wrist and fingers.

  • Which muscle extends the wrist and fingers on the posterior forearm?

    The extensor group of muscles in the posterior forearm extend the wrist and fingers.

  • Identify the muscle that elevates the mandible during chewing.

    The masseter muscle elevates the mandible to close the jaw.

  • What muscle is responsible for head rotation and flexion?

    The sternocleidomastoid rotates and flexes the head and neck.

  • Name the muscle that forms the calf and aids in walking and running.

    The gastrocnemius and soleus muscles form the calf and aid in plantar flexion.