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To Study the Morphological Changes of Coracoacromial Arch in Various Shoulder Disorders


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1 Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India
     

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Objective: To determine the morphological changes of coracoacromial arch in various shoulder disorders.

Method: An observational study was done, which included 100 subjects. They were selected by simple random sampling method as per the inclusion and exclusion criteria of the study. The inclusion criteria were, all clinically diagnosed shoulder disorders. The exclusion criteria were, coracoacromial ligament injury, post‑traumatic stiffness of shoulder, post‑operative conditions, recurrent dislocations and subluxations. The study was conducted at physiotherapy OPD of Krishna institute of medical sciences deemed to be university karad for a duration of 6 months. The ethical clearance for the study was taken from institutional ethical committee of KIMSDU Karad.

Result:

1. Shape of acromion‑out of 100 subjects 34 subjects were having flat morphology, 35 subjects were having curved morphology and 31 subjects were having hooked morphology.

2. Acromionangle‑In this study 34 subjects with flat morphology were studied and 100% subjects showed alteration in acromion angle. 100 % subjects were having acromion angle greater than 12 degrees where normal range is 0‑12 degrees. 35 subjects with curved morphology were studied and 91% subjects showed alteration in acromion angle. 91% subjects were having angle more than 27 where normal range is 12‑27 degrees. 31 subjects with hooked morphology were studied and 16% subjects showed alteration in acromion angle.16% subjects were having angle less than 27 where normal range is more than 27.

3. Lateral acromion angle‑amongst 100 subjects 79% subjects showed alteration in lateral acromion angle. 79% subjects showed more than 99 degrees of lateral acromion angle where normal range is 64‑99 degrees.

4. Acromion index‑out of 100 subjects 92% subjects showed acromion index less than 0.7 where normal value is more than 0.7.

Conclusion: The results of this study conclude that morphological changes of coracoacromial arch causes various shoulder disorders. The study further conclude that 79 % subjects showed altered lateral acromion angle, 92% subjects showed altered acromion index. 100% subjects with flat morphology showed altered acromion angle, 91% subjects with curved morphology showed altered acromion angle, 16% subjects with hooked morphology showed altered acromion angle.


Keywords

Coracoacromial Arch, Shape of the Acromion, Acromion Angle, Lateral Acromion Angle, Acromion Index.
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  • To Study the Morphological Changes of Coracoacromial Arch in Various Shoulder Disorders

Abstract Views: 266  |  PDF Views: 0

Authors

Tejashree S. Kumbhar
Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India
G. Varadharajulu
Krishna Institute of Medical Sciences Deemed to be University, Karad, Maharashtra, India

Abstract


Objective: To determine the morphological changes of coracoacromial arch in various shoulder disorders.

Method: An observational study was done, which included 100 subjects. They were selected by simple random sampling method as per the inclusion and exclusion criteria of the study. The inclusion criteria were, all clinically diagnosed shoulder disorders. The exclusion criteria were, coracoacromial ligament injury, post‑traumatic stiffness of shoulder, post‑operative conditions, recurrent dislocations and subluxations. The study was conducted at physiotherapy OPD of Krishna institute of medical sciences deemed to be university karad for a duration of 6 months. The ethical clearance for the study was taken from institutional ethical committee of KIMSDU Karad.

Result:

1. Shape of acromion‑out of 100 subjects 34 subjects were having flat morphology, 35 subjects were having curved morphology and 31 subjects were having hooked morphology.

2. Acromionangle‑In this study 34 subjects with flat morphology were studied and 100% subjects showed alteration in acromion angle. 100 % subjects were having acromion angle greater than 12 degrees where normal range is 0‑12 degrees. 35 subjects with curved morphology were studied and 91% subjects showed alteration in acromion angle. 91% subjects were having angle more than 27 where normal range is 12‑27 degrees. 31 subjects with hooked morphology were studied and 16% subjects showed alteration in acromion angle.16% subjects were having angle less than 27 where normal range is more than 27.

3. Lateral acromion angle‑amongst 100 subjects 79% subjects showed alteration in lateral acromion angle. 79% subjects showed more than 99 degrees of lateral acromion angle where normal range is 64‑99 degrees.

4. Acromion index‑out of 100 subjects 92% subjects showed acromion index less than 0.7 where normal value is more than 0.7.

Conclusion: The results of this study conclude that morphological changes of coracoacromial arch causes various shoulder disorders. The study further conclude that 79 % subjects showed altered lateral acromion angle, 92% subjects showed altered acromion index. 100% subjects with flat morphology showed altered acromion angle, 91% subjects with curved morphology showed altered acromion angle, 16% subjects with hooked morphology showed altered acromion angle.


Keywords


Coracoacromial Arch, Shape of the Acromion, Acromion Angle, Lateral Acromion Angle, Acromion Index.



DOI: https://doi.org/10.37506/v10%2Fi12%2F2019%2Fijphrd%2F191938