M4D1

1. Skiers aren't the only athletic group who benefit from this exercise called the wall sit. Cheerleaders are also another athletic group who benefits from the wall sit. (League Athletics and Hillsborough Dukes 2016). This exercise is considered to be an isometric exercise that builds strength and endurance in the calves, gluteus maximus, hamstrings, inner thighs, and the quadriceps. (Exercise 2016) The muscles that are doing the most work are the gluteus maximus, hamstrings, and quadriceps. In my opinion, these muscles start to hurt the most. I would opt to say 3 minutes of this type of exercise would be much harder than 3 minutes of jogging. Jogging is an isotonic exercise. (Scalon 2015) Jogging requires the use of more muscles than the wall sit. These muscles are less likely to tire out or experience a burning, tightening sensation. I personally would much rather be jogging because it helps to burn calories and on the other hand, the wall sit does not. (Scalon 2015)
2. Muscle sense is called proprioception. (Scalon 2015) This is the brain's ability to know where our muscles are and what our muscles are doing without having to look at them to be aware. (Scalon 2015) Practice makes perfection. The more you practice shooting a basketball, typing on a computer, playing a guitar, or juggling tennis balls, the stronger stretch receptors become. (3B Scientific 2012) Muscle sense includes the parietal lobes of the cerebrum and the cerebellum. (Scalon 2015) Any type of exercise or activity that is a first attempt can often be very slow, our limbs stiff and uncoordinated. As our brains begin to make sense of the patterns of muscle movements, our body becomes quicker, more agile, and limbs feel lighter. (3B Scientific 2012)
References:
"Cheerleading Workout List" League Athletics and Hillsborough Dukes (2016). Retrieved May 25, 2016 from http://hillsboroughdukes.com/Page.asp?n=64834

"3 Minute Wall Sit Challenge" Exercise.com (2016). Retrieved May 25, 2016 from https://www.exercise.com/challenges/3-minute-wall-sit-challenge

Scalon, Valarie C. & Sander, Tina (2015). Essentials of Anatomy and Physiology (pp 156-175.). Philadelphia, PA: F.A. Davis Company

"Insights on Therapy and Wellness" 3B Scientific (2012). Retrieved May 26, 2016 from http://blog.3bscientific.com/therapy_wellness/2012/11/what-is-muscle-memory.html