Questions and Answers
What is the movement called when a body part moves anterior to the coronal plane?
Flexion
What is the term for the movement of a body part posterior to the coronal plane?
Extension
What is the definition of plantar flexion?
Standing on the toes
What movement is called when the foot is lifted toward the shin?
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What does abduction refer to?
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What is the term for movement toward the median plane?
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What is rotation in joint movements?
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What does pronation involve?
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What is the definition of supination?
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What is circumduction?
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What does elevation refer to in joint movements?
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What is the meaning of depression in joint movements?
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What is protraction?
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What does retraction involve?
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What is lateral excursion?
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What does medial excursion refer to?
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What is inversion in joint movements?
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What does eversion involve?
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Study Notes
Joint Movements
- Flexion: Movement that decreases the angle between body parts, moving anteriorly to the coronal plane.
- Extension: Movement that increases the angle between body parts, moving posteriorly to the coronal plane.
- Plantar Flexion: Action of standing on the toes, engaging the calf muscles.
- Dorsiflexion: Movement where the foot is lifted toward the shin, decreasing the angle at the ankle joint.
- Abduction: Movement that occurs away from the median plane, crucial for limb movements.
- Adduction: Movement toward the median plane, typically in returning limbs towards the center of the body.
- Rotation: Turning of a body part around its long axis, essential for actions at joints like the shoulder and hip.
- Pronation: Twisting motion of the hand that turns the palm downward, involves certain forearm muscles.
- Supination: Opposite of pronation; twisting the hand so that the palm faces upward.
- Circumduction: A circular movement that combines flexion, extension, abduction, and adduction, often seen in shoulder and hip joints.
- Elevation: Movement that raises a body part superiorly, such as shrugging shoulders.
- Depression: Movement that lowers a body part inferiorly, such as returning shoulders to resting position.
- Protraction: Anterior gliding motion of a structure, visible in movements like pushing the jaw forward.
- Retraction: Movement that moves a structure back to anatomical position or further posterior; important for movements of the jaw and shoulders.
- Lateral Excursion: Side-to-side movement of the mandible, allowing for grinding motion during chewing.
- Medial Excursion: Movement that returns the mandible to the midline after lateral excursion.
- Inversion: Ankle movement where the sole of the foot turns medially, often stabilizing the ankle.
- Eversion: Ankle movement where the sole of the foot turns laterally, helping with balance and posture.
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Description
Explore the various types of joint movements in human anatomy. This quiz covers key concepts such as flexion, extension, abduction, and others, detailing the mechanics behind each action. Test your knowledge and understand the importance of these movements in daily activities and sports.
