Chapter 2 Quiz

Question 1

What best describes an eccentric action of the posterior tibialis?

1. Decelerates ankle dorsiflexion and inversion.
2. Stabilization of the foot and ankle complex.
3. Ankle plantar flexion and inversion.
4. Ankle dorsiflexion and eversion.

Answer 1

4. Ankle dorsiflexion and eversion.

Question 2

During a bench press exercise, which muscle synergy is occurring?

1. Activation of the pectoralis major as an agonist with the triceps brachii and anterior deltoid assisting synergistically.
2. Activation of the triceps brachii as the agonist with the posterior deltoid and middle trapezius assisting synergistically.
3. Activation of biceps brachii as the agonist with pectoralis major and anterior deltoid assisting synergistically.
4. Activation of the triceps brachii as the agonist with pectoralis major and anterior deltoid assisting synergistically.

Answer 2

1. Activation of the pectoralis major as an agonist with the triceps brachii and anterior deltoid assisting synergistically

Question 3

What term is used to describe the independent and interdependent alignment and function of all components of the human movement system at any given moment?

1. Proprioception
2. Force-couple
3. Functional efficiency
4. Posture

Answer 3

4. Posture

Question 4

Which of the following muscles inserts via the Achilles tendon?

1. Anterior tibialis
2. Gastrocnemius
3. Posterior tibialis
4. Hamstrings

Answer 4

2. Gastrocnemius

Question 5

What process describes the ability of the CNS to interpret sensory information as needed to execute the proper motor response?

1. Sensorimotor integration
2. Augmented feedback
3. Knowledge of performance
4. Muscle synergy

Answer 5

1. Sensorimotor integration

Question 6

What term is used to describe deviations from ideal posture that can be observed when standing still?

1. Pattern overload
2. Movement impairments
3. Static malalignments
4. Dynamic malalignments

Answer 6

3. Static malalignments

Question 7

Which global subsystem stabilizes the sacroiliac joint and is activated in part by the biceps femoris, increasing tension on the sacrotuberous ligament?

1. Deep longitudinal
2. Anterior oblique
3. Lateral
4. Posterior oblique

Answer 7

1. Deep longitudinal

Question 8

What term describes a muscle acting to help support the joint or joints that permit movement from the primary mover?

1. Agonist
2. Synergist
3. Stabilizer
4. Antagonist

Answer 8

3. Stabilizer

Question 9

Which of the following muscles serves to decelerate tibial internal rotation and knee extension?

1. Gastrocnemius
2. Peroneus longus
3. Semimembranosus
4. Biceps femoris

Answer 9

4. Biceps Femoris

Question 10

Which global muscle subsystem functions in the transverse plane and helps stabilize the front side of the LPHC?

1. Lateral
2. Anterior oblique
3. Deep longitudinal
4. Posterior oblique

Answer 10

2. Anterior oblique