**Physical Therapy**To rehabilitate her knee, an athlete does leg extensions. Her goal is to regain a full 90° range of motion in this exercise. Use the information in the illustration to determine her current range of motion in degrees and the number of degrees of improvement she still needs to make.The illustration shows a person seated on a bench performing a leg extension exercise. The diagram includes two marked angles:- **Current range of motion**: Illustrated with a red arc indicating the angle between the athlete’s thigh and shin. Accompanied by the text, “This angle is four times larger than the other.”- **Required extension**: Marked with a blue arc indicating the additional angle needed to reach 90°, labeled with the text, “She needs to extend this much more.”The illustration indicates that the current range of motion is four times the required extension to reach the goal.

Consider the figure: Let the number of degrees of improvement she needs to be x Therefore, The…

22. Physical Therapy. To rehabilitate her knee, an athlete does leg extensions. Her goal is to regain a full 90° range of motion in this exercise. Use the information in the illustration to determine her current range of motion in degrees and the number of degrees of improvement she still needs to make. She needs to extend' this much more. Current range of motion. This angle is four times larger than the other.

22. Physical Therapy. To rehabilitate her knee, an athlete does leg extensions. Her goal is to regain a full 90° range of motion in this exercise. Use the information in the illustration to determine her current range of motion in degrees and the number of degrees of improvement she still needs to make. She needs to extend' this much more. Current range of motion. This angle is four times larger than the other.

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Concept explainers

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

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**Physical Therapy**

To rehabilitate her knee, an athlete does leg extensions. Her goal is to regain a full 90° range of motion in this exercise. Use the information in the illustration to determine her current range of motion in degrees and the number of degrees of improvement she still needs to make.

The illustration shows a person seated on a bench performing a leg extension exercise. The diagram includes two marked angles:

- **Current range of motion**: Illustrated with a red arc indicating the angle between the athlete’s thigh and shin. Accompanied by the text, “This angle is four times larger than the other.”

- **Required extension**: Marked with a blue arc indicating the additional angle needed to reach 90°, labeled with the text, “She needs to extend this much more.”

The illustration indicates that the current range of motion is four times the required extension to reach the goal.

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