Biology, 15.11.2020 20:20 rawaanasser12245
An athletic was playing footbal one evening. Later, he was slammed backwards into the upright edge of the penalty box. The jolt pushed the head of his humerus forward, dislocating his right shoulder. He turned around and slammed his own arm against the wall so that the humerus was pushed back into place. For several weeks afterwards the range of motion in his right arm was much less than on the left. He did not tell his parents what happened or they would have taken him to see an orthopedic surgeon.
1. With the help of the x-ray describe the bony structures of the shoulder joint.
2. Define range of motion (ROM) and
explain how the bony structure of the
shoulder normally allows for a large range
of motion.
3. Define stability and explain why the structure of the shoulder does not give it great inherent stability.
4. Discuss the structures (e. g., ligaments and cartilage that are important to keeping the humeral head in the glenoid cavity.
Specifically, what structures prevent anterior displacement of the humeral head?
5. Suggest how these structures may have been overcome resulting in dislocation of the humerus
Answers: 2
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Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits
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Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.
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An athletic was playing footbal one evening. Later, he was slammed backwards into the upright edge o...
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