NCSF CSC Unit 2

Question 1

Contact force that opposes the motion of two bodies in opposite directions

Answer 1

Friction

Question 2

Denotes a tendency to return to an original shape after being stretched

Answer 2

Elastic

Question 3

Describes the structural aspects of the body and articulating segments

Answer 3

Form closure

Question 4

Can function to accelerate or decelerate a joint movement

Answer 4

Agonist

Question 5

Describes soft tissues that help maintain contact positions at a joint

Answer 5

Force closure

Question 6

Functions to oppose the prime mover, often serves as a decelerator

Answer 6

Antagonist

Question 7

Joint angle during a lift where the load is harder to move due to inefficiency

Answer 7

Sticking point

Question 8

Can be used to assess posture and observe variations in anatomical positions

Answer 8

Plumb line

Question 9

Ability of the body to efficiently manage conditions without undue resistance

Answer 9

Function

Question 10

Global muscle systems that function to stabilize the spine and pelvis

Answer 10

Outer unit

Question 11

List at least four fundamental issues that contribute to dysfunction and the risk of injury

Answer 11

a. Poor posture
b. Faulty movement patterns
c. Improper biomechanics
d. Musculoskeletal deficiencies
e. Muscle imbalance

Question 12

The hip joint possesses a greater level of form closure (T/F)

Answer 12

True

Question 13

The structure of the shoulder joint allows for its significant mobility (T/F)

Answer 13

True

Question 14

The hip joint has a smaller articulating surface, which allows for its significant loading capacity (T/F)

Answer 14

False

Question 15

The shoulder joint’s limited form closure makes it more susceptible to injury (T/F)

Answer 15

True

Question 16

Identify the three major factors that can influence force closure at a joint.

Answer 16

a. Any change in joint angle
b.The integrity of connective tissues
c.Muscle balance

Question 17

True or False? Emotion is physically expressed and can lead to postural adjustments, mechanical changes, and an altered level of motivation to engage in physical efforts.

Answer 17

True

Question 18

Local stabilizers are designed to reduce segment __________

Answer 18

Translation

Question 19

Local stabilizers do not control ___________ but rather prepare a body segment for oncoming force.

Answer 19

Range of motion

Question 20

Local stabilizer activation in the trunk should precede that of the muscles responsible for ___________

Answer 20

Limb movement

Question 21

What is the global stabilizers role?

Answer 21

Generate force to control range of movement

Question 22

What is the global stabilizers main function?

Answer 22

Control of the inner/outer ranges of movement, tend to contract eccentrically for low-load deceleration of momentum and rotational control

Question 23

What is the global mobilizers main role?

Answer 23

Generate torque to produce movement

Question 24

What is the global mobilizers main function?

Answer 24

Produce joint movement, especially in the sagittal plane, tend to contract concentrically and also absorbs shock forces from impacts

Question 25

True or False? Considering the body utilizes reactive stiffness and movement to dampen forces acting to upset stability, static exercises such as planks should be used to maximize sport-specific stability.

Answer 25

False

Question 26

What are the major training issues/limitations with Kyphotic exaggeration (upper-cross)?

Answer 26

Inability to perform overhead lifts, receives, and proper bilateral row position, compromise to spinal position during pulls and squats

Question 27

What are the major training issues/limitations with Lower-cross syndrome?

Answer 27

Compromise to bilateral hip and knee flexion activities such as squats, inability to access core musculature, inhibition to glute-driven hip extension and knee position during heavy loading

Question 28

What are the major training issues/limitations with lateral pelvic displacement?

Answer 28

Compromise to all squatting actions, compensatory dominance in leg exercises and ballistic hip extension, difficulty in spinal stabilization

Question 29

Equilibrium is influenced by __________ (all of the above)

Answer 29

a. The width of the base of support b. Height of the center of mass relative to the base of support c. Alignment of the center of mass relative to the base of support

Question 30

Activities aimed at restoring or improving joint function

Answer 30

Corrective exercise

Question 31

Associated with reduced reciprocal inhibition

Answer 31

Myofascial deformation

Question 32

Proper warm-up movements can usually address the issue

Answer 32

Level 2 dysfunction

Question 33

Both working limbs function independently

Answer 33

Open kinetic circuit

Question 34

The issue is promoting major impediments to performance

Answer 34

Level 3 dysfunction

Question 35

Force is applied to a distally-fixed position

Answer 35

Closed-kinetic chain exercise

Question 36

The resistance is moved around a distally fixed position

Answer 36

Open-kinetic chain exercise

Question 37

Both limbs function cooperatively to resist the same load

Answer 37

Closed kinetic circuit

Question 38

Selecting exercises that connect the sling systems can help maximize muscle stabilization and strength (T/F)

Answer 38

True

Question 39

Eight reps per leg of a weighted OH lateral lunge should be considered 16 reps of trunk stability effort (T/F)

Answer 39

True

Question 40

Unilateral exercises reduce the recruitment of prime movers due to the propensity of using lighter loads (T/F)

Answer 40

False

Question 41

Concentric muscle contractions result in greater muscle damage than eccentric contractions (T/F)

Answer 41

False

Question 42

Using a greater ROM during a given exercise will usually increase the risk for myofascial deformation (T/F)

Answer 42

False

Question 43

True or False? Bear hugging a heavy bag while performing front squats would be an example of unfamiliar loading.

Answer 43

True

Question 44

During the receive phase, tight [a] and [b] will promote low elbow positions as well as scapular protraction. Tight hip flexors inhibit upward extension, commonly observed as [c] Those with tight [d] will lose pelvic integrity during the first pull. Trunk instability and strength will result in [e] the loss of the trunk during the receiver.

Answer 44

a. latissimus dorsi b. triceps c. an inappropriate "jump out" action d. hamstrings e. flexion

Question 45

What is the primary objective of corrective exercise?

Answer 45

Increased maximal force output

Question 46

Which of the following considerations related to employing a functional training program is not correct? a. Movements instead of muscles should be trained to improve motor unit synchronization b. Unilateral contractions are associated with lower muscle activity compared to bilateral c. Eccentric movements should be taught as foundations for high-intensity concentric muscle actions d. Using antagonist-to-agonist contraction patterns can reduce resistance to movement

Answer 46

b. Unilateral contractions are associated with lower muscle activity compared to bilateral

Question 47

What is an example of a closed-chain, closed-circuit exercise?

Answer 47

Barbell front squat

Question 48

Which of the following are optimal for maximizing stability and joint segment ROM?

Answer 48

Closed-chain, open-circuit exercises

Question 49

True or False? Utilizing a split stance is useful during overhead lifts as it will allow the proper stabilizers to act upon the trunk, and the latissimus dorsi will experience less movement restriction through a full ROM.

Answer 49

True

Question 50

Which of the following exercises would be the correct selection for addressing tight hip flexors?

Answer 50

OH lunge

Question 51

Which of the following would be an appropriate initial recommendation for an athlete who employs a posterior pelvic tilt during the back squat?

Answer 51

Activate your pelvic floor

Question 52

Which of the following would be a useful corrective technique for an athlete who continues to squat excessively while attempting to pull from the floor during the deadlift exercise?

Answer 52

Raise the hips and align the shoulders with the bar

Question 53

Which of the following would be an appropriate verbal cue for an athlete who experiences notable lateral sway during walking lunges?

Answer 53

Push through your heel

Question 54

Which of the following would be the most useful corrective technique for an athlete who continues to lean backwards during the military press?

Answer 54

Perform the exercise in a split stance

Question 55

Which type of muscle functions to decelerate ballistic contractions?

Answer 55

Antagonists

Question 56

Which muscle groups serve to control neutral joint positions?

Answer 56

local stabilizers

Question 57

Improper activation or poor endurance within which of the following muscles will often result in posterior rotation of the pelvis and place the spine in a compromised position during loaded squat exercises?

Answer 57

pelvic floor

Question 58

An athlete with lower-cross syndrome will likely experience motor unit inhibition during which of the following actions?

Answer 58

Hip extension

Question 59

What is the most likely problem if the knees move inward during landing activities?

Answer 59

Weakness in the gluteals

Question 60

The most common error during programs aimed at improving kinetic chain function is:

Answer 60

Insufficient loading

Question 61

Closed kinetic circuits are used to:

Answer 61

Increase stability for loading

Question 62

Which limiting factor would dictate the quantity of repetitions used for a set of dumbbell step-ups to unilateral overhead press?

Answer 62

Trunk stabilizer fatigue

Question 63

Which of the following is a potential consequence of myofascial deformation?

Answer 63

Lack of coordinated activity

Question 64

_____________________ involve applying force to a distally fixed position and require the body to stabilize segments so that the transfer and acceleration of force can be facilitated to accomplish the task.

Answer 64

Closed kinetic chain exercises

Question 65

What would be the most useful corrective exercise for an athlete with tight hamstrings?

Answer 65

split stance good mornings

Question 66

Lateral band squats would be useful for an athlete who struggles with which of the following movement compensations during the back squat?

Answer 66

Overactive adductors

Question 67

What would be an effective corrective exercise for an athlete with tight calves?

Answer 67

Single-leg opposite reach

Question 68

Resisted overhead Y-reaches are commonly used to:

Answer 68

Increase activation in the mid-lower trapezius

Question 69

An athlete’s plank with T-reach can be used to:

Answer 69

Activate central and peripheral stabilizers while stretching the chest

Question 71

An athlete using too much weight during the power clean may perform any of the following compensatory actions during the receive component, except:

Answer 71

Increased trunk extension