NASM Chapter 7: Human Movement Science

What is a key mechanism involved in internal feedback?

• Proprioception

• Motivation

• Knowledge of results

• Knowledge of performance

Which of the following solutions would allow an individual to achieve a greater depth during the lowering phase of a squat if ankle stiffness is the cause?

• Place a small board under the toes

• Place a small board under the heels

• Stretch the ankle eversion musculature

• Stretch the ankle dorsiflexor musculature

Which of the following effects may occur if the amortization phase of a plyometric exercise is prolonged?

• Stored energy will dissipate, and the unloading phase will be more powerful

• The neurological stretch reflex will be optimally activated, and the unloading phase will be less powerful

• The neurological stretch reflex will be optimally activated, and the unloading phase will be more powerful

• Stored energy will dissipate, and the unloading phase will be less powerful

Which of the following examples describes a muscle that is functioning as an antagonist?

• The infraspinatus being active during shoulder external rotation

• The biceps brachii being active during elbow extension

• The serratus anterior being active during shoulder flexion

• The transversus abdominus being active during hip extension

What term is used to describe muscle tension that is created without a change in muscle length and no visible movement of the joint?

• Concentric

• Isokinetic

• Eccentric

• Isometric