A friend that is experiencing an internal barrier to physical fitness is Talia who puts in only 50 percent of effort during her workout. Thus, the correct option is C.
What is Physical fitness?
Physical fitness may be defined as the capability of your body systems to function together efficiently to permit you to be healthy and perform activities of daily living. It is the overall state of health and well-being of an individual.
Mark lacks access to fitness equipment, Tyler has trouble finding a safe area to work out, and Clark's parents fail to support his desire to work out are classified under the category of external barriers to physical fitness.
While Talia puts in only 50 percent of effort during her workout illustrates her incapability to do more due to not enough level stamina, lack of physical strength, injury, etc.
Therefore, a friend that is experiencing an internal barrier to physical fitness is Talia who puts in only 50 percent of effort during her workout. Thus, the correct option is C.
To learn more about Physical fitness, refer to the link:
https://brainly.com/question/22099223
#SPJ6
