Strength and Muscle Contractions 4º ESO

What is the definition of strength?

• The ability to use muscles against a resistance

• The ability to move or lift weights

• The ability to throw your adversary

• The ability to climb mountains

Which muscle is the agonist in a bicep curl?

• Biceps

• Triceps

• Synergist

• Fixator

What is the role of the antagonist muscle during movement?

• To provide the major force to complete the movement

• To oppose the agonist muscle

• To perform the same set of joint motion as the agonist

• To stabilize the origin of the agonist

Which type of muscle contraction occurs when there is no change in the length of the contracting muscle?

• Isometric

• Isotonic concentric

• Isotonic eccentric

• None of the above

What are the benefits of strength training?

• Develop strong bones

• Manage weight

• Manage chronic conditions

• All of the above

Which factors determine muscle strength?

• Age

• Gender

• Muscle composition

• All of the above

What is explosive strength?

• Muscle's ability to work at maximum speed

• The highest level of muscle force that can be produced

• The ability to recruit and engage all motor units to generate maximal tension

• None of the above

Which type of strength is displayed in activities that require a relatively long duration of muscle tension with minimal decrease in efficiency?

• Strength endurance

• Explosive strength

• Maximum strength

• None of the above

What is the method of strength training that uses weights or extra equipment?

• Self-supporting

• Body weight exercises

• Weights training

• Circuit training

Isotonic eccentric contraction occur when

• when there is no change in the

  length of the contracting muscle.

  •

• when the muscle lengthens as it contracts.

• which cause the

  muscle to shorten as it contracts.

• All are correct