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lab test 3 flash cards

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Terms in this set (12)

  • flexion and extension

    Flexion decreases the angle between two body parts, while extension increases the angle and straightens the joint

  • abduction and adduction

    abduction away from the body raising the arms up adduction towards the body bringing the arms down

  • supination and pronation

    Supination: The forearm rotates so that your palm faces upward or forward . Pronation: The forearm rotates so that your palm faces downward or backward.

  • synarthrotic

    is a functional classification for a joint that permits zero to minimal mobility under normal conditions They provide exceptional stability and protection for delicate organs like the brain and heart.

  • amphiarthrotic

    a type of joint that allows only a slight amount of movement examples Pubic Symphysis: Intervertebral Discs Distal Tibiofibular Joint

  • diarthrotic/synovial joint,

    a freely movable joint that makes up the majority of joints in the human body 3 types Uniaxial one direction Biaxial 2 directions, Multiaxial

  • ACL

    anterior cruciate ligament connects Femur to Tibia Prevents the tibia from sliding too far forward and provides rotational stability during twisting or pivoting

  • PCL Posterior Cruciate Ligament

    Stops the shinbone from sliding backward

  • LCL Lateral Collateral Ligament

    Stops the knee from bending too far outward (laterally)

  • MCL Medial Collateral Ligament

    Stops the knee from bending too far medially inward

  • ligaments

    connect bone to bone

  • tendon

    connects muscle to bone