Question

what is the correct definition of muscular strength?
○ the percentages of fat, bone and muscle in human bodies
● ability of a muscle or group of muscles to perform repetitive contractions against a force for an extended period of time
○ physical movement in which you use your body weight or equipment
question 6
1 pts
what is the benefit of muscular strength?
○ improves metabolism
○ improves mobility
○ improves bone strength
○ all of the above

Explanation:

First Question (Definition of Muscular Strength)

• The first option defines body composition (percentages of fat, bone, muscle), not muscular strength.
• The second option: Muscular strength (or more accurately muscular endurance, but if the option is intended for strength/endurance mix) describes muscle's ability to contract against force over time. Wait, actually, muscular strength is the maximum force a muscle can exert, but if the option is about repetitive contractions (more endurance), but among the given, this is the closest to muscle function.
• The third option defines exercise (using body weight/equipment), not muscular strength. So the selected option (second) is the best among the choices.

• Improving metabolism: More muscle mass increases metabolic rate as muscle burns more calories at rest.
• Improving mobility: Stronger muscles support better movement and joint function.
• Improving bone strength: Muscle contractions stress bones, stimulating bone growth/strength.
• So all these benefits are associated with muscular strength. Thus "All of the above" is correct.

Answer:

The correct option for the definition of Muscular Strength is: ability of a muscle or group of muscles to perform repetitive contractions against a force for an extended period of time (the second option).

Second Question (Benefit of Muscular Strength)