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Trunk endurance tests: Flexion= 40 seconds; extension 60 seconds, right-side bridge= 46 seconds; left side bridge= 44seconds Based on this client's trunk endurance test results, in which of the following ratios did her performance fail to meet the criteria for balanced endurance among the muscle groups tested? A. Flexion: Extension ratio B. Right side bridge: Left side bridge ratio C. Right side bridge: extension ratio D. Left-side bridge: extension ratio

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Answer:

Explanation:

To determine which ratios indicate a failure to meet the criteria for balanced endurance among the muscle groups tested, we need to compare the values provided.

Given the trunk endurance test results:

Flexion: 40 seconds

Extension: 60 seconds

Right-side bridge: 46 seconds

Left-side bridge: 44 seconds

Let's examine each option:

A. Flexion: Extension ratio

The flexion to extension ratio is 40 seconds (flexion) to 60 seconds (extension), which simplifies to 2:3. This ratio indicates that for every 2 seconds of flexion endurance, there are 3 seconds of extension endurance.

B. Right side bridge: Left side bridge ratio

The right-side bridge to left-side bridge ratio is 46 seconds (right side) to 44 seconds (left side). This ratio simplifies to 23:22.

C. Right side bridge: extension ratio

The right-side bridge to extension ratio is 46 seconds (right side) to 60 seconds (extension), which does not simplify further.

D. Left-side bridge: extension ratio

The left-side bridge to extension ratio is 44 seconds (left side) to 60 seconds (extension), which also does not simplify further.

To determine if the performance fails to meet the criteria for balanced endurance, we need to compare the ratios. In this case, the only ratio that is significantly imbalanced is the Flexion: Extension ratio (A), which shows a 2:3 ratio. The other ratios (B, C, D) are closer in value and do not indicate a significant imbalance.

Therefore, the client's performance fails to meet the criteria for balanced endurance in the Flexion: Extension ratio (A).

User Maciej Dzikowicki
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