46. The smooth sustained contraction that is a result of a high frequency of stimulation is:…
What is the voltage beyond which there were no further increases in active force? Maximal voltage: 8.5 V…
3. Answer the questions below. You may use your text and any other resources you wish, please be sure to cite your sources! Submit your answers as a word document to the week 3 dropbox.…
Muscular System: The muscular systems is responsible for maintaining posture, circulating blood, and movement. Visceral muscle is found inside of organs like the stomach, intestines, and blood vessels. The stomach secretes acid and enzymes that digest food. The muscular system also has another variant which is skeletal muscle. The skeletal muscles are attached to bones and move various parts of the body. The biceps, pectoralis major, triceps, nasalis, and deltoid are five major organs in the muscular system. The biceps main job is to control the movement of the elbow and shoulder. The pectoralis major make up most of the chest bulk. The triceps help extend and retract the forearm. The nasalis compress nasal cartilage. The deltoid is responsible…
Human skeletal muscle consists of hundreds of individual cylindrically shaped cells (called fibers or myofibers) bound together by connective tissue. In the body, these muscles are stimulated to contract by somatic motor nerves that carry signals in the form of nerve impulses from the brain or spinal cord…
The onset of muscle fatigue has hindered many athletes from achieving their maximum performance. Over the years we have been taught that it is the build-up of lactic acid that is the downfall of muscle fatigue and soreness. This is only partially true; there is a little more to it than what we have been told. I hope that this article provides you with a possible short-term remedy and does not confuse you more but rather makes you more aware of what is going on when your muscles become fatigued. During short term (anaerobic) exercise, ATP and creatine phosphate (CP) are used up within the first 7 seconds of training. This signals the metabolism of glycogen to produce energy for your body.…
Section I – Multiple choice: (65 points; 2.5 points each). Bubble your answers on your scantron.…
Skeletal muscle- Skeletal Muscles are muscles attached to the skeleton. The skeletal muscles main function is to contract to support the skeleton in movement. Skeletal muscles are voluntary because we have complete control of the movements because of the signals the brain sends to the muscles.…
Our skeletal muscles make up 40-50% of our total mass and are essential for all humans to move, breath, and stand up straight. For the first 20 years of our lives and for those physically active after our muscles are continually growing. Satellite cells are responsible for this growth in our skeletal muscle and are referred to as muscle stem cells. When skeletal muscle cells are traumatized due to physical trauma or disease the regeneration process includes three general processes, destruction, regeneration and remodeling. What regulates these three processes? How are they signaled to initiate the cell cycle and what nutrients and systems do they require to carry out the processes…
Much less energy is released during anaerobic respiration than during aerobic respiration. This is because the breakdown of glucose is incomplete.…
Please provide an example of Homeostasis and Negative Feedback in our environment. Be sure not to duplicate a classmates' answer.…
It is difficult for most of the body builders to control their died when they are following a muscle building diet. The reason behind this is that think if they will eat a lot, this will magically contribute in bulking up. They may be right up to a certain degree but they are unaware that weight gain means adding fat also. This is not a healthy way of increasing muscle mass.…
The main goal of this paper is to identify a set of muscles sufficient to control a myoelectric exoskeleton knee. Internal force developed in the muscle is used as a base for muscle recruitment. A musculoskeletal model of the human body was developed in the Anybody Modelling system. The force developed in the human lower limb muscles while performing simple tasks like standing up or sitting down in a squat position were then measured using inverse dynamic analysis. The forces developed in different muscles are analysed for muscle recruitment by performing a Principal Component Analysis. Significant muscles were determined by the Method of Principal Variable.…
I choose the muscle cell because around 12-13 years of age is the normal time for kids to have a big growth time and have their muscle and body grow quicker than normal.And being 12 what not a better time to do this. One of the coolest parts of the muscle cell is how complex it is with many different types of fibers and other layers that all work together. Another cool thing is how you can train them to make them smarter and bigger, what i mean by smarter is how they remember things like swing a baseball bat. Here is my muscle cell project.…
Daring is determined from someone's perspective. My definition of daring is different from everyone else's definition. My daring adventure was the time that I learned how to ride a motorcycle.…