CH 5: Strength, power, measuring strength

Question 1

What is the ability of a muscle to generate force (maximum force) by a single muscle or related muscle group?

Answer 1

Strength

Question 2

What is the ability to exert force under a given set of conditions defined by body position, body movement by which force is applied, movement type, and movement speed?

Answer 2

Strength

Question 3

What is the maximal force a muscle or muscle group can generate at a specified velocity?

Answer 3

Strength

Question 4

What is the muscle force exerted by a muscle or group of muscles to overcome resistance under specific set of circumstances?

Answer 4

Muscle strength

Question 5

What is the capacity of a muscle or group of muscles to generate forces?

Answer 5

Muscle performance

Question 6

What is the work produced per unit time or the product of strength and speed?

Answer 6

Muscle power

Question 7

What is the ability to sustain forces repeatedly or to generate forces over a period of time?

Answer 7

Muscle endurance

Question 8

What has been described as the ability of the neuromuscular system to produce, reduce, or control forces, contemplated or imposed, during functional activities in a smooth, coordinated manner?

Answer 8

Functional strength

Question 9

What is used to describe the result or product of a force exerted on an object and distance the object moves?

Answer 9

Work

Question 10

Force X Distance =

Answer 10

Work

Question 11

What can be described as linear or rotary?

Answer 11

Force

Question 12

What is described as force=mass X acceleration

Answer 12

Linear force

Question 13

What is described as force= mass X angular acceleration?

Answer 13

Rotary force

Question 14

What is the ability to cause rotation movement?

Answer 14

Torque

Question 15

Force X Perpendicular distance from axis of rotation?

Answer 15

Torque

Question 16

What is defined as the time rate of doing work?

Answer 16

Power

Question 17

Force X Velocity

Answer 17

Power

Question 18

Force X (distance/time)

Answer 18

Power

Question 19

Work/time

Answer 19

Power

Question 20

What is defined as a vector that describes displacement?

Answer 20

Velocity

Question 21

What are the methods that strength can be measured?

Answer 21

• MMT
• Cable tensiometry
• Dynamometry
• 1RM lift
• Isokinetics
• Functional strength assessment

Question 22

What is an isometric method of muscle testing that is designed to measure muscle strength requiring no equipment other than examiner’s hands?

Answer 22

MMT

Question 23

What is used for isometric measuring of muscle’s strength?

Answer 23

Cable tensiometry

Question 24

What provides the advantage of versatility for recording force measurements at virtually all angles of a joints ROM and may be more sensitive for grading muscle strength above grade 4?

Answer 24

Tensiometry

Question 25

What are used to quantify grip strength?

Answer 25

Hand-held dynamometers

Question 26

What is used to evaluate back strength tension?

Answer 26

Standing back dynamometer

Question 27

What involves the evaluation of broad skills necessary to perform complex movements vs traditional methods that focus on isolated joint testing?

Answer 27

Functional ability testing

Question 28

What are some functional ability assessments?

Answer 28

- One leg hop for distance - Single leg triple hop for distance - Timed single leg hop (on minitrampoline) - Vertical jump

Question 29

What testing is particularly important when dealing with athletes who may be returned to activity too soon after rehabilitation because of inaccuracies in assessment of abilities?

Answer 29

Functional ability testing