浅指屈筋・尺側手根屈筋の同時収縮が肘関節内側裂隙幅に及ぼす影響
【はじめに】浅指屈筋 （FDS）・尺側手根屈筋 （FCU）の同時収縮が肘関節内側裂隙幅（JS）に及ぼす影響について検討を行った．【対象と方法】 対象はオーバーヘッドスポーツを経験した男性20例20肘とした． 測定肢位は被験者を仰臥位で肩関節外転90°外旋位，肘関節屈曲90°，前腕・手関節は 中間位とし，超音波診断装置 （US）を用いてJSを計測した．測定条件は自重負荷，2kg負荷，2kg負荷下でのPIP屈曲 （示・中指，示・小指，中・環指），尺屈，尺屈+PIP屈曲 （示・中指，示・小指，中・環指）とし，各条件間でのJSを比較した．【結果】 尺屈＋示・中指屈曲，尺屈＋示・小指屈曲，尺屈＋中環指屈...
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| Published in | 日本肘関節学会雑誌 Vol. 30; no. 2; pp. 298 - 302 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
日本肘関節学会
2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1349-7324 2434-2262 |
| DOI | 10.24810/jelbow.30.2_298 |
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| Abstract | 【はじめに】浅指屈筋 （FDS）・尺側手根屈筋 （FCU）の同時収縮が肘関節内側裂隙幅（JS）に及ぼす影響について検討を行った．【対象と方法】 対象はオーバーヘッドスポーツを経験した男性20例20肘とした． 測定肢位は被験者を仰臥位で肩関節外転90°外旋位，肘関節屈曲90°，前腕・手関節は 中間位とし，超音波診断装置 （US）を用いてJSを計測した．測定条件は自重負荷，2kg負荷，2kg負荷下でのPIP屈曲 （示・中指，示・小指，中・環指），尺屈，尺屈+PIP屈曲 （示・中指，示・小指，中・環指）とし，各条件間でのJSを比較した．【結果】 尺屈＋示・中指屈曲，尺屈＋示・小指屈曲，尺屈＋中環指屈曲において，2kg負荷およびPIP屈曲より有意にJSが減少した（P < 0.01）．【考察】 肘関節の動的安定化機構として，FDSとFCUを同時に機能させることが重要であることが示唆された． |
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| AbstractList | 【はじめに】浅指屈筋 （FDS）・尺側手根屈筋 （FCU）の同時収縮が肘関節内側裂隙幅（JS）に及ぼす影響について検討を行った．【対象と方法】 対象はオーバーヘッドスポーツを経験した男性20例20肘とした． 測定肢位は被験者を仰臥位で肩関節外転90°外旋位，肘関節屈曲90°，前腕・手関節は 中間位とし，超音波診断装置 （US）を用いてJSを計測した．測定条件は自重負荷，2kg負荷，2kg負荷下でのPIP屈曲 （示・中指，示・小指，中・環指），尺屈，尺屈+PIP屈曲 （示・中指，示・小指，中・環指）とし，各条件間でのJSを比較した．【結果】 尺屈＋示・中指屈曲，尺屈＋示・小指屈曲，尺屈＋中環指屈曲において，2kg負荷およびPIP屈曲より有意にJSが減少した（P < 0.01）．【考察】 肘関節の動的安定化機構として，FDSとFCUを同時に機能させることが重要であることが示唆された． |
| Author | 樋口, 一斗 吉田, 禄彦 光井, 康博 原, 光司 坂井, 周一郎 宮本, 梓 |
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| References | 4) Otoshi K, Kikuchi S, Shishido H, et al: The proximal origins of the flexor-pronator muscles and their role in the dynamic stabilization of the elbow joint: an anatomical study. Surg Radiol Anat. 2014: 36: 289-294. 5) Hoshika S, Nimura A, Yamaguchi R, et al: Medial elbow anatomy: A paradigm shift for UCL injury prevention and management. Clin Anat. 2019: 32: 379-389. 13) Matsuzawa K, Edama M, Ikezu M, et al: The origin structure of each finger in the flexor digitorum superficialis muscle. Surg Radiol Anat. 2021: 43: 3-10. 7) Frangiamore SJ, Moatshe G, Kruckeberg BM, et al: Qualitative and Quantitative Analyses of the Dynamic and Static Stabilizers of the Medial Elbow: An Anatomic Study. Am J Sports Med. 2018: 46: 687-694. 9) Udall JH, Fitzpatrick MJ, McGarry MH, et al: Effects of flexor-pronator muscle loading on valgus stability of the elbow with an intact, stretched, and resected medial ulnar collateral ligament. J Shoulder Elbow Surg. 2009: 18: 773-778. 16) Park MC, Ahmad CS. Dynamic contributions of the flexor-pronator mass to elbow valgus stability. J Bone Joint Surg Am. 2004: 86: 2268-2274. 3) Jones KJ, Osbahr DC, Schrumpf MA, et al: Ulnar collateral ligament reconstruction in throwing athletes: a review of current concepts. AAOS exhibit selection. J Bone Joint Surg Am. 2012: 49. 14) 宇良田大吾．古島弘三．貝沼雄太ほか：肘関節外反不安定性評価としての超音波検査によるring-down artifactの有用性－高校野球選手における前向き調査－．日肘会誌．2020: 2: 288-292. 2) Regan WD, Korinek SL, Morrey BF, et al: Biomechanical study of ligaments around the elbow joint. Clin Orthop Relat Res. 1991: 170-179. 10) Hoshika S, Nimura A, Takahashi N, et al: Valgus stability is enhanced by flexor digitorum superficialis muscle contraction of the index and middle fingers. J Orthop Surg Res. 2020: 121. 15) Sakata J, Miyazaki T, Akeda M, et al: Return-to-play outcomes in high school baseball players after ulnar collateral ligament injuries: dynamic contributions of flexor digitorum superficialis function. J Shoulder Elbow Surg. 2021: 30: 1329-1335. 8) Shanley E, Smith M, Mayer BK, et al: Using Stress Ultrasonography to Understand the Risk of UCL Injury Among Professional Baseball Pitchers Based on Ligament Morphology and Dynamic Abnormalities. Orthop J Sports Med. 2018: 6. 6) Davidson PA, Pink M, Perry J, et al: Functional anatomy of the flexor pronator muscle group in relation to the medial collateral ligament of the elbow. Am J Sports Med. 1995: 23: 245-250. 1) Fleisig GS, Andrews JR, Dillman CJ, et al: Kinetics of baseball pitching with implications about injury mechanisms. Am J Sports Med. 1995: 23: 233-239. 12) Saito A, Namiki Y, Okada K. Elasticity of the Flexor Carpi Ulnaris Muscle After an Increased Number of Pitches Correlates With Increased Medial Elbow Joint Space Suppression. J Strength Cond Res. 2021: 35: 2564-2571. 17) Matsuzawa K, Edama M, Ikezu M, et al: Contributions of the Third and Fourth Digits and the Second and Fifth Digits of the Flexor Digitorum Superficialis Muscle to Elbow Valgus Stability. Orthop J Sports Med. 2021: 9. 11) Lin F, Kohli N, Perlmutter S, et al: Muscle contribution to elbow joint valgus stability. J Shoulder Elbow Surg. 2007: 16: 795-802. |
| References_xml | – reference: 10) Hoshika S, Nimura A, Takahashi N, et al: Valgus stability is enhanced by flexor digitorum superficialis muscle contraction of the index and middle fingers. J Orthop Surg Res. 2020: 121. – reference: 6) Davidson PA, Pink M, Perry J, et al: Functional anatomy of the flexor pronator muscle group in relation to the medial collateral ligament of the elbow. Am J Sports Med. 1995: 23: 245-250. – reference: 7) Frangiamore SJ, Moatshe G, Kruckeberg BM, et al: Qualitative and Quantitative Analyses of the Dynamic and Static Stabilizers of the Medial Elbow: An Anatomic Study. Am J Sports Med. 2018: 46: 687-694. – reference: 16) Park MC, Ahmad CS. Dynamic contributions of the flexor-pronator mass to elbow valgus stability. J Bone Joint Surg Am. 2004: 86: 2268-2274. – reference: 5) Hoshika S, Nimura A, Yamaguchi R, et al: Medial elbow anatomy: A paradigm shift for UCL injury prevention and management. Clin Anat. 2019: 32: 379-389. – reference: 3) Jones KJ, Osbahr DC, Schrumpf MA, et al: Ulnar collateral ligament reconstruction in throwing athletes: a review of current concepts. AAOS exhibit selection. J Bone Joint Surg Am. 2012: 49. – reference: 4) Otoshi K, Kikuchi S, Shishido H, et al: The proximal origins of the flexor-pronator muscles and their role in the dynamic stabilization of the elbow joint: an anatomical study. Surg Radiol Anat. 2014: 36: 289-294. – reference: 13) Matsuzawa K, Edama M, Ikezu M, et al: The origin structure of each finger in the flexor digitorum superficialis muscle. Surg Radiol Anat. 2021: 43: 3-10. – reference: 17) Matsuzawa K, Edama M, Ikezu M, et al: Contributions of the Third and Fourth Digits and the Second and Fifth Digits of the Flexor Digitorum Superficialis Muscle to Elbow Valgus Stability. Orthop J Sports Med. 2021: 9. – reference: 11) Lin F, Kohli N, Perlmutter S, et al: Muscle contribution to elbow joint valgus stability. J Shoulder Elbow Surg. 2007: 16: 795-802. – reference: 9) Udall JH, Fitzpatrick MJ, McGarry MH, et al: Effects of flexor-pronator muscle loading on valgus stability of the elbow with an intact, stretched, and resected medial ulnar collateral ligament. J Shoulder Elbow Surg. 2009: 18: 773-778. – reference: 2) Regan WD, Korinek SL, Morrey BF, et al: Biomechanical study of ligaments around the elbow joint. Clin Orthop Relat Res. 1991: 170-179. – reference: 1) Fleisig GS, Andrews JR, Dillman CJ, et al: Kinetics of baseball pitching with implications about injury mechanisms. Am J Sports Med. 1995: 23: 233-239. – reference: 12) Saito A, Namiki Y, Okada K. Elasticity of the Flexor Carpi Ulnaris Muscle After an Increased Number of Pitches Correlates With Increased Medial Elbow Joint Space Suppression. J Strength Cond Res. 2021: 35: 2564-2571. – reference: 14) 宇良田大吾．古島弘三．貝沼雄太ほか：肘関節外反不安定性評価としての超音波検査によるring-down artifactの有用性－高校野球選手における前向き調査－．日肘会誌．2020: 2: 288-292. – reference: 15) Sakata J, Miyazaki T, Akeda M, et al: Return-to-play outcomes in high school baseball players after ulnar collateral ligament injuries: dynamic contributions of flexor digitorum superficialis function. J Shoulder Elbow Surg. 2021: 30: 1329-1335. – reference: 8) Shanley E, Smith M, Mayer BK, et al: Using Stress Ultrasonography to Understand the Risk of UCL Injury Among Professional Baseball Pitchers Based on Ligament Morphology and Dynamic Abnormalities. Orthop J Sports Med. 2018: 6. |
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| Snippet | 【はじめに】浅指屈筋 （FDS）・尺側手根屈筋 （FCU）の同時収縮が肘関節内側裂隙幅（JS）に及ぼす影響について検討を行った．【対象と方法】 対象はオーバーヘッドスポーツを経験した男性20例20肘とした． 測定肢位は被験者を仰臥位で肩関節外転90°外旋位，肘関節屈曲90°，前腕・手関節は 中間位とし，超音波診断装置... |
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| Title | 浅指屈筋・尺側手根屈筋の同時収縮が肘関節内側裂隙幅に及ぼす影響 |
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