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Questions and Answers
What is the primary function of the transverse plane in human anatomy?
What is the primary function of the transverse plane in human anatomy?
Which type of movement is characterized as lateral flexion?
Which type of movement is characterized as lateral flexion?
What describes the movement of a limb towards the midline of the body?
What describes the movement of a limb towards the midline of the body?
Which of the following movements is classified as external rotation?
Which of the following movements is classified as external rotation?
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What type of movement involves decreasing the angle between two body segments?
What type of movement involves decreasing the angle between two body segments?
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Which of these movements best describes the action of supination?
Which of these movements best describes the action of supination?
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What is the definition of dorsiflexion in relation to the foot?
What is the definition of dorsiflexion in relation to the foot?
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Which movement describes the opposition of the thumb against other fingers?
Which movement describes the opposition of the thumb against other fingers?
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Study Notes
Anatomical Planes and Movements
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Transverse Plane: Horizontal plane dividing the body into superior (upper) and inferior (lower) regions. Can also be referred to as rostral/cranial (toward the head) and caudal/podal (toward the feet). For limbs, use proximal (closer to the body) and distal (further from the body) instead of superior and inferior. Proximal and distal are useful to describe limb structures near/far from the limb's origin.
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Movement Direction: Defined by the axis around which the movement occurs. Axes include sagittal, frontal/coronal, and transverse. Sagittal plane movements are lateral flexion (bending sideways) for the torso and limbs, abduction (moving away from midline) and adduction (moving towards the midline). Frontal plane movements are flexion (decreasing angle between body parts) and extension (increasing angle), especially in relation to limb movement or the knee. For the foot, it involves plantar flexion (pointing toes downwards) and dorsiflexion (pointing toes upwards).
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Torsion/Rotation: Movement around a vertical axis; for the spine, this is called rotation. For limbs, internal rotation (turning inward) or external rotation (turning outward). Distal limb parts (e.g., hands, feet) have supination (rotating outward/palm up) and pronation (rotating inward/palm down) movements.
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Complex Movements: Circumduction: A combination of flexion, abduction, extension, and adduction in a circular motion. Multiple axis/planes involved.
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Description
Explore the definitions and applications of anatomical planes and movements in the human body. Understand how these planes divide the body and the different axes of motion. Perfect for students studying anatomy and kinesiology.
