Muscular dystrophy

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Secondly, the length of residual femur affects hip muscle strength too. The force can be generated by a muscle is affected by the muscle force magnitude and the distance from the muscle attachment to the axis of rotation (Rassier et al., 1999). For example, the force can be generated by gluteus maximus is reduced if femur residue length is shorter. Therefore, amputees need to recruit more motor units in order to generate adequate force in walking. This can rationalise energy expenditure on…

There are many different parts of skeletal muscles that are important to the function of the muscles. Each muscle is made up of a lot of muscle fibers. Each muscle fiber has a thin coating covering the fiber called the sarcolemma. The muscle fibers also have a cytoplasmic type substance called sarcoplasm. Sarcoplasm contains large amount of glycosomes and myoglobin. Myoglobin is a protein that stores oxygen inside the muscle fibers. The muscle fibers contain striations that are made up of…

I was once a swimmer. In October of 2015, my career came to a halt. During practice, I would have a sudden onset of sharp, shooting pains throughout my back. It became very intense and was painful. On meet days, I was limited to swimming two events when I normally swam four or five, and that was still painful; I could not physically put up with the pain anymore. I made an appointment to see an orthopedic doctor in Hutchinson. Dr. Nelson, the orthopedic doctor, took numerous x-rays and could…

Coaches Toolbox Coaches are very influential in their players lives. Their influence can be for the good of the player or can be detrimental to their performance. Some of the greatest coaches in history used a variety of sport psychology concepts and techniques to help their athletes reach peak performance. Since I am seeking a career in the field of coaching, it is essential that I gain the knowledge and know how to implement some of these techniques to help better my clients. This project…

The muscular system is the system of the body that contains smooth, skeletal, and cardiac muscle tissue. This system contains a variety of functions including movement of the body and of materials throughout the body, maintenance of posture, and heat production. Muscles are the only tissue in the body that have the ability to contract and therefore move the other parts of the body. The muscular system is important because without it, life would completely stop. Muscles produce not only…

A muscle tear refers to muscle fibers being damage (Virginia 2013). A tear in the gastrocnemius can cause great risk of injury since the gastrocnemius is located between the knee and ankle joint (Virginia 2013). This can be cause by direct trauma to the calf region or sudden landing on the foot (Medial Head Gastrocnemius 2006). This injury is common in tennis players due to the constant motions of jumping and lunging (Medial Head Gastrocnemius 2006). In the first degree of gastrocnemius tear,…

Many people think that muscles are mainly just for being strong and fit, but muscles do much more than that. Muscles are cellular fibers that contract and retract on bones, causing movement. This allows people and animals to move from one place to the other. There are several different types of muscles, including fast and slow twitch muscles, skeletal muscles, striated muscles, smooth muscles, and more. Every muscle serves a purpose, and each is vital to a person’s well-being. Muscles work…

Inclusion Body Myositis is a neuro-muscular disease affecting people over fifty, mostly males, is characterized by progressive muscle weakness and atrophy in key muscles in the arms (forearm flexors) and the legs (quadriceps), resulting in severe disability. IBM is generally a slowly progressive disease and life expectancy isn’t significantly affected. Ted was diagnosed with IBM in 2012 when he was 68 years old, but his muscle biopsy showed that he has had it 10 to 15 years prior to the…

The human body has many unique attributes. What make the body function are organs that make up the body. Within those organs are cells that cause the organs to function. There’s a cell, which mainly hold the bones of the skeleton together, so we aren’t a puddle of mush. The muscle has amazing cells structures in the body. Because every part of our body acts as a working machine all organs of the body are equally significant. The skeletal muscle in the body is a very important portion of the…