Class notes
Muscular System | Anatomy and Physiology
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Notes about Muscular System. Everything you need to know as a future Physical Therapy
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Some examples from this set of practice questions
1.
What are the major functional characteristics of Muscle Tissue?
Answer: (1) Contractility (2) Excitability (3) Extensibility (4) Elasticity
2.
What is Sarcomere?
Answer: factional unit of muscle fiber; portion between 2 Z-disc
3.
What are the two (2) components of Sarcomere?
Answer: (1) Actin filaments (2) Myosin filaments
4.
What is Actin Myofilaments?
Answer: thin myofilaments that are made up of 3 components
5.
What are the components of Actin Myofilaments?
Answer: (1) Actin strands (2) Troponin molecules (3) Tropomyosin filaments
Some examples from this set of practice questions
1.
What is Spastic Paralysis?
Answer: a condition where the muscles contract and cannot relax; followed by fatigue
2.
What is Flaccid Paralysis?
Answer: it is a condition where the muscle is incapable of contacting in response to nervous stimulation
3.
What is Torticollis?
Answer: also known as Wry Neck; it is a results from injury to one of the sternocleidomastoid muscles or sometimes caused damaged to baby\'s neck muscles during childbirth
4.
What is Low Back Pain?
Answer: where the muscle strains or sprains of lumbar vertebral ligaments when the deep back muscle are stretched abnormally or torn
5.
What is Cramps?
Answer: it is a spastic conditions of a muscle; usually due to buildup of lactic acid
Some examples from this set of practice questions
1.
What are the Major Functions of Skeletal System?
Answer: (1) Body support (2) Organ protection (3) Body movement (4) Mineral storage (5) Blood cell production
2.
What is Long Bones?
Answer: type of bone which are longer than they are wide (bones of the upper and lower extremity)
3.
What is a Short Bones?
Answer: type of bone which are approximately as wide as they are long (bones of the wrist and ankle)
4.
What is a Flat Bone?
Answer: type of bone which are relatively thin and flattened; provides strong barrier
5.
What is a Irregular Bone?
Answer: type of bone which are shapes do not fit readily into the other bones; allowing bending, flexing and protection
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