Exam 1 pt2

Question 1

Stability and mobility are inversely proportional.

Answer 1

True

Question 2

Which type of joint allows for the least range of motion?

Answer 2

Hinge

Question 3

Flexion, extension occur in which plane of motion?

Answer 3

Sagittal

Question 4

What are the main purposes of bone?

Answer 4

Provide protection, insertion, origin points for muscles, and structure

Question 5

A ball and socket joint has how many degrees of freedom?

Answer 5

three

Question 6

Neutralizers are muscles that produce opposite movements about the same joint

Answer 6

False

Question 7

During the concentric portion of a squat the hips and knees move about the anteroposterior axis.

Answer 7

False

Question 8

What primarily contributes to the dynamic stability of a joint among the following options?

Answer 8

Muscle surrounding joints

Question 9

Which of the following situations best exemplifies Wolff’s Law?

Answer 9

Increase in bone density due to weight bearing exercise

Question 10

What is the primary joint movement at the elbow during eccentric phase of a biceps curl?

Answer 10

extention

Question 11

Eccentric muscle action produces the most amount of force.

Answer 11

True

Question 12

The mediolateral axis dissects which plane of motion?

Answer 12

sagittal

Question 13

What two joints have uniquely names joint movements?

Answer 13

wrist and ankle

Question 14

The elbow is less stable than the shoulder.

Answer 14

False

Question 15

Biarticular muscles insert across different joint than where the muscle originates.

Answer 15

True

Question 16

In anatomical position, if someone raises their hand perpendicular to their body what movement is occurring?

Answer 16

shoulder abduction

Question 17

In anatomical position, the right pinky is ____ to the right thumb

Answer 17

Medial

Question 18

The anatomical position is characterized by which of the following?

Answer 18

Arms at the sides with palms facing forward

Question 19

Pennate muscles typically have a larger function cross-sectional area than parallel muscles.

Answer 19

True

Question 20

Which of the following is NOT a type of parallel muscle arrangement?

Answer 20

Paraform

Question 21

Muscles that have high elasticity will never be able to stretch very far.

Answer 21

false

Question 22

Muscles with high extensibility are easy to stretch

Answer 22

True

Question 23

Which muscles prevent unwanted joint action caused by agonists but help optimize their force produce?

Answer 23

True synergist

Question 24

Muscles can pull and push to produce motion of the skeleton

Answer 24

Falase

Question 25

An isokinetic joint movement is said to have a constant movement speed.

Answer 25

True

Question 26

When a muscle is contracted concentrically it

Answer 26

shortens

Question 27

A muscle that is triangular in shape or fan-shaped with a combination of flat and fusiform fiber arrangements is what type of muscle?

Answer 27

Radiate

Question 28

A pennate muscle produces greater joint range of motion compared to a same size parallel fiber muscle.

Answer 28

False

Question 29

The _______ of a muscle defines how well a muscle can return to its original length after stretching.

Answer 29

Elasticity

Question 30

The muscle contraction of your quadriceps that is required to control knee flexion during walking or running is.

Answer 30

eccentric

Question 31

When an external force such as another person or object is responsible for a joint movement, the muscle involvement is to be ______.

Answer 31

passive

Question 32

Which of the following help the action of agonistic muscles and prevent undesired movements?

Answer 32

helping synergist muscles

Question 33

Which of the following methods is used to understand muscle actions by applying an electrical stimulus to the muscle?

Answer 33

Electrical muscle stimulation