Question 1

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Accepted Answer

A)  concentric
B)  eccentric
C)  isometric
D)  isokinetic

Question 2

When an opposing torque at a joint is greater than the torque created by a muscle,what type of contraction occurs in that muscle?

Accepted Answer

A)  isometric
B)  isotonic
C)  concentric
D)  eccentric

Question 3

Which of the following terms best describes the rate of torque production at a joint?

Accepted Answer

A)  mechanical work
B)  muscular power
C)  muscular energy output
D)  muscular strength

Question 4

Which of the following is a unique behavioral property of muscle tissue?

Accepted Answer

A)  ability to develop tension
B)  extensibility
C)  irritability
D)  all of these answers are correct

Question 5

What role do the triceps play during the down phase of an arm curl exercise?

Accepted Answer

A)  agonist
B)  antagonist
C)  stabilizer
D)  neutralizer

Question 6

The increased force generation capability of a slightly stretched muscle is primarily due to which of the following?

Accepted Answer

A)  series elastic component
B)  parallel elastic component
C)  golgi tendon organ
D)  muscle spindle

Question 7

Choose the term that describes a contraction involving lengthening of a muscle.

Accepted Answer

A)  antagonist
B)  concentric
C)  contractile component
D)  eccentric

Question 8

The ________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Accepted Answer

The answer of The ________ fiber arrangement is a pattern...

Question 9

A contraction in which there is not a change in length is called what?

Accepted Answer

A)  dynamic
B)  isometric
C)  concentric
D)  isokinetic

Question 10

The torque of a muscle (rotary component) is greatest in what position?

Accepted Answer

A)  when the moment arm is longest
B)  when the muscle insertion is 90° to the bone
C)  both when the moment arm is longest and when the muscle insertion is 90° to the bone
D)  position does not affect torque

Question 11

During the first 12 weeks of resistance training,strength gains are due primarily to what?

Accepted Answer

A)  improved innervation of the muscle
B)  increase in cross-sectional area
C)  both improved innervation of the muscle and increase in cross-sectional area
D)  none of these answers is correct

Exam 6: The Biomechanics of Human Skeletal Muscle

Choose the term that describes a contraction involving lengthening of a muscle.

Correct Answer
verified

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Correct Answer
verified

What role do the triceps play during the down phase of an arm curl exercise?

Correct Answer
verified

The torque of a muscle (rotary component) is greatest in what position?

Correct Answer
verified

When an opposing torque at a joint is greater than the torque created by a muscle,what type of contraction occurs in that muscle?

Correct Answer
verified

The ________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Correct Answer
verified

Which of the following terms best describes the rate of torque production at a joint?

Correct Answer
verified

Which of the following is a unique behavioral property of muscle tissue?

Correct Answer
verified

During the first 12 weeks of resistance training,strength gains are due primarily to what?

Correct Answer
verified

A contraction in which there is not a change in length is called what?

Correct Answer
verified

The increased force generation capability of a slightly stretched muscle is primarily due to which of the following?

Correct Answer
verified

Exam 6: The Biomechanics of Human Skeletal Muscle

Choose the term that describes a contraction involving lengthening of a muscle.

Correct AnswerverifiedShow Answer

What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk?

Correct AnswerverifiedShow Answer

What role do the triceps play during the down phase of an arm curl exercise?

Correct AnswerverifiedShow Answer

The torque of a muscle (rotary component) is greatest in what position?

Correct AnswerverifiedShow Answer

When an opposing torque at a joint is greater than the torque created by a muscle,what type of contraction occurs in that muscle?

Correct AnswerverifiedShow Answer

The ________ fiber arrangement is a pattern of fibers within a muscle with short fibers attaching to one or more tendons.

Correct AnswerverifiedShow Answer

Which of the following terms best describes the rate of torque production at a joint?

Correct AnswerverifiedShow Answer

Which of the following is a unique behavioral property of muscle tissue?

Correct AnswerverifiedShow Answer

During the first 12 weeks of resistance training,strength gains are due primarily to what?

Correct AnswerverifiedShow Answer

A contraction in which there is not a change in length is called what?

Correct AnswerverifiedShow Answer

The increased force generation capability of a slightly stretched muscle is primarily due to which of the following?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified