The reason of difficulty to lift a heavy object when the elbow is at full extension. Introduction: The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

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Answer 1

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Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

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Answer 2

Question

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Expert Solution & Answer

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Answer 3

Question

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Expert Solution & Answer

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Answer 4

Question

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Expert Solution & Answer

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Answer 5

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Answer 6

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Answer 7

Chapter 11, Problem 27RQ

Summary Introduction

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 11 - Based on patterns of fascicle arrangement, name...Ch. 11 - Why does a pennate muscle generate more tension...Ch. 11 - Prob. 3CP Ch. 11 - Define a lever, and describe the three classes of...Ch. 11 - The joint between the occipital bone of the skull...Ch. 11 - Prob. 6CP Ch. 11 - Muscle A abducts the humerus, and muscle B adducts...Ch. 11 - Prob. 8CP Ch. 11 - Prob. 9CP Ch. 11 - Prob. 10CP

The reason of difficulty to lift a heavy object when the elbow is at full extension. Introduction: The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Solution Summary: The author explains that the extension of the elbow is an example of a third-class lever, where the fulcrum and the load are at opposite ends.

Concept explainers

Videos

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Want to see the full answer?

Chapter 11 Solutions

The reason of difficulty to lift a heavy object when the elbow is at full extension. Introduction: The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Solution Summary: The author explains that the extension of the elbow is an example of a third-class lever, where the fulcrum and the load are at opposite ends.

Concept explainers

Videos

To determine: The reason of difficulty to lift a heavy object when the elbow is at full extension. Introduction: The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.

Want to see the full answer?

Chapter 11 Solutions

To determine:

The reason of difficulty to lift a heavy object when the elbow is at full extension.

Introduction:

The flexibility in the joint is provided by the levers of the skeletal system and the associated skeletal muscles. The efficiency of the skeletal muscles is increased by the levers.