Question 1

Active insufficiency of a muscle occurs as a result of fewer:

Accepted Answer

A) motor units contracted 
B) muscle fibers recruited 
C) myofibrils engaged 
D) cross-bridges formed 
A) motor units contracted 
B) muscle fibers recruited 
C) myofibrils engaged 
D) cross-bridges formed

Question 2

Which of the following word root means length?

Accepted Answer

A) transverso 
B) longitudo 
C) intrinsecus 
D) multus 
A) transverso 
B) longitudo 
C) intrinsecus 
D) multus

Question 3

What do longer lever arms create?

Accepted Answer

A) mechanical advantage 
B) velocity advantage 
C) need for greater muscular contraction 
D) increased range of motion of the joint 
A) mechanical advantage 
B) velocity advantage 
C) need for greater muscular contraction 
D) increased range of motion of the joint

Question 4

How many central tendons are located within a bipennate muscle?

Accepted Answer

A) one 
B) two 
C) three 
D) variable number 
A) one 
B) two 
C) three 
D) variable number

Question 5

A seesaw is an example of what class of lever?

Accepted Answer

A) first 
B) first and second 
C) second 
D) second and third 
A) first 
B) first and second 
C) second 
D) second and third

Question 6

First-class levers,in relation to other classes of levers,generate:

Accepted Answer

A) greater speed than second-class levers 
B) greater strength than third-class levers 
C) greater strength and speed than second- and third-class levers 
D) none of these choices 
A) greater speed than second-class levers 
B) greater strength than third-class levers 
C) greater strength and speed than second- and third-class levers 
D) none of these choices

Question 7

The distance from the axis of motion to the point of application of force on the lever is what type of arm?

Accepted Answer

A) lever 
B) moment 
C) effort 
D) all of these choices 
A) lever 
B) moment 
C) effort 
D) all of these choices

Question 8

What class of lever has the force that causes motion and the force of resistance to motion on opposite sides of the axis of motion?

Accepted Answer

A) first 
B) second 
C) third 
D) none of these choices 
A) first 
B) second 
C) third 
D) none of these choices

Question 9

Which of the following characterizes pennate muscles?

Accepted Answer

A) Only multipennate muscles have more than one central tendon. 
B) Bipennate and multipennate muscles have more than one central tendon. 
C) Bipennate muscles have two central tendons. 
D) Unipennate muscles do not have a central tendon. 
A) Only multipennate muscles have more than one central tendon. 
B) Bipennate and multipennate muscles have more than one central tendon. 
C) Bipennate muscles have two central tendons. 
D) Unipennate muscles do not have a central tendon.

Question 10

If an object is held,its leverage:

Accepted Answer

A) varies depending on its weight 
B) increases if it is farther from the body 
C) decreases if it is farther from the body 
D) does not change with the distance it is held from the body 
A) varies depending on its weight 
B) increases if it is farther from the body 
C) decreases if it is farther from the body 
D) does not change with the distance it is held from the body

Question 11

What structures are levers in the human body?

Accepted Answer

A) muscles 
B) tendons 
C) bones 
D) ligaments 
A) muscles 
B) tendons 
C) bones 
D) ligaments

Question 12

A nonaxial movement has which class of lever?

Accepted Answer

A) first 
B) second 
C) third 
D) none of these choices 
A) first 
B) second 
C) third 
D) none of these choices

Question 13

Having fewer binding sites of actin available for myosin heads to attach to is described by what term?

Accepted Answer

A) passive tension 
B) active insufficiency 
C) Henneman size principle 
D) pennation angle 
A) passive tension 
B) active insufficiency 
C) Henneman size principle 
D) pennation angle

Question 14

Neck extensor musculature is an example of what class of lever?

Accepted Answer

A) first 
B) first and second 
C) third 
D) second and third 
A) first 
B) first and second 
C) third 
D) second and third

Question 15

Elastic recoil of myofascial tissue plays a role in what type of tension?

Accepted Answer

A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive 
A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive

Question 16

The Henneman size principle describes the:

Accepted Answer

A) order that muscles are recruited to contract 
B) length tension relationship 
C) order that motor units are recruited to contract 
D) relationship between strength and size of a muscle 
A) order that muscles are recruited to contract 
B) length tension relationship 
C) order that motor units are recruited to contract 
D) relationship between strength and size of a muscle

Question 17

Which of the following creates an internal force?

Accepted Answer

A) Thera-Bands 
B) resistance tubing 
C) muscle 
D) gravity 
A) Thera-Bands 
B) resistance tubing 
C) muscle 
D) gravity

Question 18

What type of bending posture is the least healthy?

Accepted Answer

A) squat bend with the trunk vertical 
B) stoop bend 
C) squat bend with the trunk inclined forward 
D) stoop bend with an aligned spine 
A) squat bend with the trunk vertical 
B) stoop bend 
C) squat bend with the trunk inclined forward 
D) stoop bend with an aligned spine

Question 19

The effective weight of a 10-pound object held at arm's length away from the body is how many pounds?

Accepted Answer

A) 1 
B) 10 
C) 40 
D) 70 
A) 1 
B) 10 
C) 40 
D) 70

Question 20

Which of the following can have a partial contraction?

Accepted Answer

A) muscle 
B) motor unit 
C) muscle fiber 
D) sarcomere 
A) muscle 
B) motor unit 
C) muscle fiber 
D) sarcomere

Active insufficiency of a muscle occurs as a result of fewer:

Which of the following word root means length?

What do longer lever arms create?

How many central tendons are located within a bipennate muscle?

A seesaw is an example of what class of lever?

First-class levers,in relation to other classes of levers,generate:

The distance from the axis of motion to the point of application of force on the lever is what type of arm?

What class of lever has the force that causes motion and the force of resistance to motion on opposite sides of the axis of motion?

Which of the following characterizes pennate muscles?

If an object is held,its leverage:

What structures are levers in the human body?

A nonaxial movement has which class of lever?

Having fewer binding sites of actin available for myosin heads to attach to is described by what term?

Neck extensor musculature is an example of what class of lever?

Elastic recoil of myofascial tissue plays a role in what type of tension?

The Henneman size principle describes the:

Which of the following creates an internal force?

What type of bending posture is the least healthy?

The effective weight of a 10-pound object held at arm's length away from the body is how many pounds?

Which of the following can have a partial contraction?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters

Exam 14: Determining the Force of a Muscle Contraction

Active insufficiency of a muscle occurs as a result of fewer:

Which of the following word root means length?

What do longer lever arms create?

How many central tendons are located within a bipennate muscle?

A seesaw is an example of what class of lever?

First-class levers,in relation to other classes of levers,generate:

The distance from the axis of motion to the point of application of force on the lever is what type of arm?

What class of lever has the force that causes motion and the force of resistance to motion on opposite sides of the axis of motion?

Which of the following characterizes pennate muscles?

If an object is held,its leverage:

What structures are levers in the human body?

A nonaxial movement has which class of lever?

Having fewer binding sites of actin available for myosin heads to attach to is described by what term?

Neck extensor musculature is an example of what class of lever?

Elastic recoil of myofascial tissue plays a role in what type of tension?

The Henneman size principle describes the:

Which of the following creates an internal force?

What type of bending posture is the least healthy?

The effective weight of a 10-pound object held at arm's length away from the body is how many pounds?

Which of the following can have a partial contraction?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters