Exam 15: Muscular System
____________________ moves a bone closer to another bone.
Flexion
Using two or three sentences, answer the following questions as concisely as possible.
-What are the three parts of the skeletal muscles?
The three parts of the skeletal muscles are the origin, the insertion, and the action. The origin is the end of the muscle that is attached to the less movable part of the bone. The insertion is the end of the muscle that is attached to the more movable part of the bone. The action, or body, is the thick middle part of the muscle.
Research the effects of muscular dystrophy.What research is presently being conducted to find a cure for this disorder?
Muscular dystrophy is a group of genetic disorders that cause progressive weakness and loss of muscle mass. There are several types of muscular dystrophy, each caused by a different gene mutation. The most common and well-known type is Duchenne muscular dystrophy.
Current research on muscular dystrophy is focused on finding a cure or effective treatments to slow the progression of the disease. Some of the ongoing research includes:
1. Gene therapy: Scientists are studying ways to use gene therapy to replace or repair the defective genes that cause muscular dystrophy.
2. Stem cell therapy: Researchers are investigating the use of stem cells to regenerate damaged muscle tissue in individuals with muscular dystrophy.
3. Drug development: Pharmaceutical companies and research institutions are working to develop drugs that can target the specific genetic mutations responsible for muscular dystrophy and improve muscle function.
4. Exon skipping: This approach involves using antisense oligonucleotides to "skip" over specific exons in the dystrophin gene, which can result in a shorter but functional protein being produced.
5. CRISPR/Cas9 gene editing: This cutting-edge technology is being explored as a potential way to correct the genetic mutations that cause muscular dystrophy.
Overall, there is a significant amount of research being conducted to find a cure or effective treatments for muscular dystrophy. While there is currently no cure, these ongoing efforts provide hope for individuals and families affected by this debilitating disorder.
Skeletal muscle tissue looks ____________________ under the microscope.
Using two or three sentences, answer the following questions as concisely as possible.
-Describe the effects of fibromyalgia.
Using two or three sentences, answer the following questions as concisely as possible.
-Describe visceral muscle.
Using two or three sentences, answer the following questions as concisely as possible.
-Define and describe the effects of muscular dystrophy.
The basic unit of muscle fibers that causes muscle contraction is called a(n) ____________________.
Using two or three sentences, answer the following questions as concisely as possible.
-What causes back pain and recurrent back pain?
The disorder of the muscular system known as poliomyelitis:
Of the three types of muscle tissue-skeletal, visceral, and cardiac-which sustains most athletic-related injuries?
Fibromyalgia is a disorder of the muscular system.Write an expository on the disease, its effects, and the treatment programs available.
Describe a healthy fitness program.What happens when a person becomes too concerned with exercise?
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