Transverse, frontal, and sagittal refer to the planes of motion in biomechanics. Each plane represents a different way to analyze and understand movement:
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Transverse Plane: Divides the body into upper (superior) and lower (inferior) parts. Movements that occur in this plane include twisting or rotational movements (e.g., a spinal rotation).
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Frontal Plane: Divides the body into front (anterior) and back (posterior) sections. Movements in this plane involve side-to-side motions (e.g., lateral raises or jumping jacks).
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Sagittal Plane: Divides the body into left and right sections. Movements in this plane are typically forward and backward (e.g., walking, running, or squatting).
These planes are fundamental for understanding human movement, exercise, and physical activity.