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Acetabular labrum tear

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79: 504: 536: 177:. This in turn causes hip rotational instability putting increased pressure on the labrum. Traumatic injuries are most commonly seen in athletes who participate in contact or high-impact sports like football, soccer, or golf. The prevalence rate for traumatic hip injuries that causes a tear of the labrum is very low. Less than 25% of all patients can relate a specific incident to their torn labrum; however, they are often a result of a dislocation or fracture. Falling on one's side causes a blunt trauma to the greater trochanter of the femur. Since there is very little soft tissue to diminish the force between the impact and the 204: 524: 200:, which leads to the head being non-spherical. The second deformity is referred to as a pincer deformity and it is due to an excess growth of the acetabular socket. The third type of FAI is a combination of the first two deformities. When either abnormality is present, it changes the position of the femoral head in the hip socket. The increased stresses that the femur and or acetabulum experience may lead to a fracture of the acetabular rim or a detachment of the overstressed labrum. 503: 376: 352: 364: 157:. Incidents of labrum tears increase with age, suggesting that they may also be caused by deterioration through the aging process. Labrum tears in athletes can occur from a single event or recurring trauma. Running can cause labrum tears due to the labrum being used more for weight bearing and taking excessive force while at the end-range motion of the leg: hyperabduction, hyperextension, 535: 25: 397: 263: 446:
An acetabular labrum tear can occur in a variety of ways such as frequent twisting movement, direct trauma, or degeneration. But many hip labral tears are not directly related to any specific action, making it difficult to prevent such an injury. It may be possible to lower the risk by strengthening
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In the United States acetabular labrum tears usually occur in the anterior or anterior-superior area, possibly due to a sudden change from labrum to acetabular cartilage. The most common labrum tears in Japan are in the posterior region, likely due to the customary practice of sitting on the floor.
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One way to prevent a hip labrum tear is to decrease the pressure on the anterior labrum region. The labrum is about 2 to 3 mm thick but is wider and thinner in the anterior portion. Studies have found that in the United States and European countries, hip labral tears are commonly found in the
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Strain vs. Time graph for the three stages of creep. Strain slowly rises up and almost becomes constant from a constant stress on a viscoelastic material. Like cartilage, it will deform or strain, from constant stress. The strain deformation is slow, but eventually too much stress will increase
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There is little evidence for the benefit of physical therapy for the acetabular labrum. Some studies though report that physical therapy could be of benefit in restoring "sports-ready" capabilities. Following surgery, crutches will be needed for up to six weeks and physical exercise such as
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of the lumbar spine. This increases the pressure in the anterior labrum. Weak gluteals during hip extension have also shown increased joint pressure in the anterior labrum. Muscles that help with balance need to be strengthened, or stretched to prevent a hip labrum tear. Exercises include
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There are usually four phases in the rehabilitation process: "Phase I: initial exercises (weeks 1–4), Phase II: intermediate exercises (weeks 5–7), Phase III: advanced exercises (weeks 8–12), and Phase IV: return to sports (weeks 12+)". Therapy programs need to be personalised.
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by abducting the hip whilst lying on the side with legs together. The top leg is raised keeping the knee and hip straight; especially effective where there is an anterior pelvic tilt. A tight hip flexor may be stretched by using a kneeling hip flexor stretch that targets the
181:, the entire blow is transferred to the surface of the hip joint. And since bone density does not reach its peak until the age of 30, hip traumas could result in a fracture. Tears of the hip labrum can be classified in a variety of ways, including 196:(FAI). Impingement occurs when the femoral head rubs abnormally or lacks a full range of motion in the acetabular socket. There are three different forms of FAI. The first form is caused by a cam-deformity where extra bone is present on the 523: 78: 488:
Stretching before exercise will affect the cartilage through "creep". It will place a constant load on the labrum, allowing fluid the leak out and deform to the applied load. This is significant for the
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tendon has also been attributed to labrum tears by causing compression or traction injuries that eventually lead to a labrum tear. Most labrum tears are thought to be from gradual tear due to repetitive
513:), Stretch of a right hip flexor, iliopsoas. The weight bearing knee (left) does not go past the toes. Leaning forward for a good stretch and holding it for about 15 to 20 seconds is needed. In 636:
Smith, Matthew V.; Panchal, Hemang B.; Ruberte Thiele, Ramon A.; Sekiya, Jon K. (2011). "Effect of Acetabular Labrum Tears on Hip Stability and Labral Strain in a Joint Compression Model".
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Mak, A. F. (1986). "The apparent viscoelastic behavior of articular cartilage--the contributions from the intrinsic matrix viscoelasticity and interstitial fluid flows".
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It is estimated that 75% of acetabular labrum tears have an unknown cause. Tears of the labrum have been credited to a variety of causes such as excessive force,
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of the labrum. The hip labrum acts as a shock absorber, joint lubricator, stabilizer and pressure distributor. A warm-up using body weight squats can induce
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A body weight squat with no added weights allows legs to be warmed up, creep may be induced in the cartilage and muscles to prepare for intense exercise.
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In phase III the focus is to begin building functional strength, using single leg exercises to build the muscle and challenge the strength of the hip.
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Anatomical modifications of the femur and or hip socket cause a slow buildup of damage to the cartilage. Femur or acetabular dysplasia can lead to
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Aly, Abdel Rahman; Rajasekaran, Sathish; Obaid, Haron (2013). "MRI morphometric hip comparison analysis of anterior acetabular labral tears".
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Rylander, Lucas; Froelich, John M.; Novicoff, Wendy; Saleh, Khaled (2010). "Femoroacetabular Impingement and Acetabular Labral Tears".
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pattern is essential so as not to create an imbalance in the muscles of the hip. Aquatic therapy enables more gravity-free movement.
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Phase IV is the final stage where further exercise is prescribed until returning to sports. Complex movements like
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A complex labral tear. An arthroscopic probe is seen at the junction of the labrum and acetabular rim.
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Hunt, Devyani; Clohisy, John; Prather, Heidi (2007). "Acetabular labral tears of the hip in women".
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posteriorly which transfers shear and compressive forces to the posterior labrum.
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Posterior labrum tears in the Western world usually occur when a force drives the
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Women are more susceptible to acetabulum labrum tears due to their pelvic anatomy.
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In phase II more flexibility in the soft tissue is promoted, with an emphasis on
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Lewis, Cara L.; Sahrmann, Shirley A. (2006). "Acetabular labral tears".
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Bohannon Mason, J. (2001). "ACETABULAR LABRAL TEARS IN THE ATHLETE".
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Garrison, J. Craig; Osler, Michael T.; Singleton, Steven B. (2007).
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Lewis, Cara L.; Sahrmann, Shirley A.; Moran, Daniel W. (2007).
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anterior region. Muscular imbalance of the pelvis can develop
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Physical Medicine and Rehabilitation Clinics of North America
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North American journal of sports physical therapy: NAJSPT
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Liu, Yuwei; Lu, Wei; Ouyang, Kan; Deng, Zhenhan (2021).
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In phase I the first objective is to minimize pain and
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Su, Tiao; Chen, Guang-Xing; Yang, Liu (2019-01-20).
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A full confirmation can be made using 49:of all important aspects of the article. 638:The American Journal of Sports Medicine 631: 629: 585: 583: 581: 579: 577: 575: 573: 571: 569: 565: 499: 347: 804: 802: 717: 715: 713: 711: 709: 707: 705: 313:running, curtailed for at six months. 45:Please consider expanding the lead to 7: 1221:Journal of Biomechanical Engineering 1526:posterior of the head of the fibula 1588:medial of talocrural joint/deltoid 1521:anterior of the head of the fibula 406:tone or style may not reflect the 272:tone or style may not reflect the 14: 2014:Dislocations, sprains and strains 1618:lateral collateral of ankle joint 1391:Posterior meniscofemoral ligament 987:Guanche, Carlos A. (2009-11-01). 467:with inhibited weak gluteals and 1703:plantar calcaneonavicular/spring 1386:Anterior meniscofemoral ligament 534: 522: 502: 416:guide to writing better articles 395: 374: 362: 350: 282:guide to writing better articles 261: 148:, and hip degeneration. A tight 23: 37:may be too short to adequately 16:Injury of the acetabular labrum 1708:bifurcated (calcaneonavicular) 1180:10.1016/j.jbiomech.2007.06.024 194:femoral acetabular impingement 144:, capsular hip hypermobility, 47:provide an accessible overview 1: 823:10.1016/S0278-5919(05)70286-6 793:10.1016/S0278-5919(05)70284-2 1834:interosseous cuneometatarsal 1554:Interosseous membrane of leg 1076:The Iowa Orthopaedic Journal 948:10.1097/CM9.0000000000000020 688:10.3928/01477447-20100329-21 1829:interosseous intercuneiform 1741:bifurcated (calcaneocuboid) 2035: 1878:Intermetatarsal/metatarsal 890:10.1186/s10195-021-00595-7 811:Clinics in Sports Medicine 781:Clinics in Sports Medicine 230:magnetic resonance imaging 112:is a common injury of the 2004:Injuries of hip and thigh 1133:10.1016/j.pmr.2007.05.007 850:10.1007/s00256-013-1652-1 740:10.1007/s12178-009-9052-9 189:, location, or severity. 124:, and deterioration with 85: 76: 1855:Tarsometatarsal/Lisfranc 650:10.1177/0363546511400981 459:. It is caused by tight 1168:Journal of Biomechanics 936:Chinese Medical Journal 1901:superficial transverse 1736:plantar calcaneocuboid 1645:Subtalar/talocalcaneal 1549:Posterior tibiofibular 457:lower crossed syndrome 228:is more reliable than 208: 106:acetabular labrum tear 72:Acetabular labrum tear 1726:dorsal calcaneocuboid 1690:Talocalcaneonavicular 1628:posterior talofibular 1544:Anterior tibiofibular 1536:Inferior tibiofibular 1513:Superior tibiofibular 1492:Infrapatellar fat pad 1339:transverse acetabular 206: 1698:dorsal talonavicular 1623:anterior talofibular 1598:posterior tibiotalar 1577:Talocrural and ankle 1127:(3): 497–520, ix–x. 644:(1_suppl): 103–110. 604:10.1093/ptj/86.1.110 473:lumbar hyperlordosis 218:physical examination 175:iliofemoral ligament 1916:Metatarsophalangeal 1593:anterior tibiotalar 838:Skeletal Radiology 476:strengthening the 381:Single leg balance 209: 179:greater trochanter 1991: 1990: 1987: 1986: 1960: 1959: 1842: 1841: 1788:Cuboideonavicular 1749: 1748: 1681:Transverse tarsal 1562: 1561: 1500: 1499: 1344:acetabular labrum 1233:10.1115/1.3138591 1174:(16): 3725–3731. 998:978-0-7817-7771-1 444: 443: 436: 410:used on Knowledge 408:encyclopedic tone 357:Single leg bridge 333:strength training 324:. A symmetrical 310: 309: 302: 276:used on Knowledge 274:encyclopedic tone 163:external rotation 114:acetabular labrum 102: 101: 66:Medical condition 64: 63: 2026: 2009:Overuse injuries 1851: 1761: 1686: 1573: 1509: 1369: 1354:zona orbicularis 1283: 1276: 1269: 1260: 1253: 1252: 1216: 1210: 1209: 1199: 1159: 1153: 1152: 1116: 1110: 1109: 1099: 1067: 1061: 1060: 1050: 1018: 1003: 1002: 984: 978: 977: 967: 927: 921: 920: 910: 892: 868: 862: 861: 844:(9): 1245–1252. 833: 827: 826: 806: 797: 796: 776: 770: 769: 759: 719: 700: 699: 671: 662: 661: 633: 624: 623: 592:Physical Therapy 587: 538: 526: 506: 439: 432: 428: 425: 419: 418:for suggestions. 414:See Knowledge's 399: 398: 391: 378: 366: 354: 305: 298: 294: 291: 285: 284:for suggestions. 280:See Knowledge's 265: 264: 257: 81: 69: 59: 56: 50: 27: 19: 2034: 2033: 2029: 2028: 2027: 2025: 2024: 2023: 2019:Sports injuries 1994: 1993: 1992: 1983: 1956: 1939:Interphalangeal 1933: 1910: 1906:deep transverse 1872: 1838: 1805: 1782: 1745: 1712: 1675: 1639: 1633:calcaneofibular 1558: 1530: 1496: 1487:Patellar tendon 1473: 1422:fibular/lateral 1358: 1300: 1287: 1257: 1256: 1218: 1217: 1213: 1161: 1160: 1156: 1118: 1117: 1113: 1069: 1068: 1064: 1020: 1019: 1006: 999: 986: 985: 981: 929: 928: 924: 870: 869: 865: 835: 834: 830: 808: 807: 800: 778: 777: 773: 721: 720: 703: 673: 672: 665: 635: 634: 627: 589: 588: 567: 562: 550: 543: 539: 530: 527: 518: 507: 491:viscoelasticity 440: 429: 423: 420: 413: 404:This section's 400: 396: 389: 382: 379: 370: 367: 358: 355: 306: 295: 289: 286: 279: 270:This section's 266: 262: 255: 242: 222:medical imaging 214: 142:hip dislocation 138: 122:hip dislocation 110:hip labrum tear 67: 60: 54: 51: 44: 32:This article's 28: 17: 12: 11: 5: 2032: 2030: 2022: 2021: 2016: 2011: 2006: 1996: 1995: 1989: 1988: 1985: 1984: 1982: 1981: 1976: 1970: 1968: 1962: 1961: 1958: 1957: 1955: 1954: 1949: 1943: 1941: 1935: 1934: 1932: 1931: 1926: 1920: 1918: 1912: 1911: 1909: 1908: 1903: 1898: 1893: 1888: 1882: 1880: 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1505:Tibiofibular 1428: 1395: 1373:Tibiofemoral 1313: 1224: 1220: 1214: 1171: 1167: 1157: 1124: 1120: 1114: 1079: 1075: 1065: 1030: 1026: 988: 982: 939: 935: 925: 880: 876: 866: 841: 837: 831: 814: 810: 784: 780: 774: 731: 727: 679: 675: 641: 637: 595: 591: 514: 510: 494: 487: 456: 453: 445: 430: 421: 405: 340: 337: 330: 322:inflammation 319: 315: 311: 296: 287: 271: 247:femoral head 243: 240:Epidemiology 220:followed by 215: 198:femoral head 191: 161:, excessive 159:hyperflexion 139: 109: 105: 103: 52: 36: 34:lead section 1756:intertarsal 1413:collateral 1323:pubofemoral 1318:iliofemoral 1082:: 164–171. 676:Orthopedics 461:hip flexors 234:arthroscopy 155:microtrauma 130:microtrauma 97:Orthopedics 1998:Categories 1979:Transverse 1952:collateral 1929:collateral 1464:transverse 1398:popliteal 560:References 469:abdominals 387:Prevention 226:arthrogram 183:morphology 1657:posterior 1440:posterior 1431:cruciate 1298:human leg 1294:ligaments 1241:0148-0731 1188:0021-9290 1141:1047-9651 1088:1541-5457 1039:1558-6162 956:0366-6999 899:1590-9921 858:0364-2348 748:1935-973X 696:0147-7447 658:0363-5465 612:0031-9023 483:iliopsoas 343:squatting 335:basics. 212:Diagnosis 150:iliopsoas 92:Specialty 39:summarize 1653:anterior 1615:lateral: 1435:anterior 1206:17707385 1149:17678764 1106:16089092 1057:21509143 974:30614856 917:34357462 766:19468871 620:16386066 548:See also 224:. An MR 187:etiology 1947:plantar 1924:plantar 1886:plantar 1863:plantar 1819:plantar 1796:plantar 1773:plantar 1754:Distal 1662:lateral 1585:medial: 1457:lateral 1447:menisci 1407:arcuate 1402:oblique 1381:Capsule 1349:capsule 1314:femoral 1296:of the 1249:3724099 1197:2580726 1097:1888771 1048:2953303 965:6365273 908:8346610 757:2697339 478:gluteus 449:gluteus 118:running 1966:Arches 1891:dorsal 1868:dorsal 1824:dorsal 1801:dorsal 1778:dorsal 1666:medial 1452:medial 1290:Joints 1247:  1239:  1204:  1194:  1186:  1147:  1139:  1104:  1094:  1086:  1055:  1045:  1037:  995:  972:  962:  954:  915:  905:  897:  856:  764:  754:  746:  694:  656:  618:  610:  171:ballet 167:hockey 136:Causes 126:ageing 1847:Other 883:(1). 495:creep 1568:Foot 1364:Knee 1292:and 1245:PMID 1237:ISSN 1202:PMID 1184:ISSN 1145:PMID 1137:ISSN 1102:PMID 1084:ISSN 1053:PMID 1035:ISSN 993:ISBN 970:PMID 952:ISSN 913:PMID 895:ISSN 854:ISSN 762:PMID 744:ISSN 692:ISSN 654:ISSN 616:PMID 608:ISSN 463:and 447:the 326:gait 1306:Hip 1229:doi 1225:108 1192:PMC 1176:doi 1129:doi 1092:PMC 1043:PMC 960:PMC 944:doi 940:132 903:PMC 885:doi 846:doi 819:doi 789:doi 752:PMC 736:doi 684:doi 646:doi 600:doi 542:it. 509:In 169:or 108:or 104:An 2000:: 1243:. 1235:. 1223:. 1200:. 1190:. 1182:. 1172:40 1170:. 1166:. 1143:. 1135:. 1125:18 1123:. 1100:. 1090:. 1080:25 1078:. 1074:. 1051:. 1041:. 1029:. 1025:. 1007:^ 968:. 958:. 950:. 938:. 934:. 911:. 901:. 893:. 881:22 879:. 875:. 852:. 842:42 840:. 815:20 813:. 801:^ 785:20 783:. 760:. 750:. 742:. 730:. 726:. 704:^ 690:. 680:33 678:. 666:^ 652:. 642:39 640:. 628:^ 614:. 606:. 596:86 594:. 568:^ 485:. 236:. 185:, 132:. 120:, 1664:/ 1655:/ 1330:) 1316:( 1282:e 1275:t 1268:v 1251:. 1231:: 1208:. 1178:: 1151:. 1131:: 1108:. 1059:. 1031:2 1001:. 976:. 946:: 919:. 887:: 860:. 848:: 825:. 821:: 795:. 791:: 768:. 738:: 732:2 698:. 686:: 660:. 648:: 622:. 602:: 515:B 511:A 437:) 431:( 426:) 422:( 412:. 303:) 297:( 292:) 288:( 278:. 57:) 53:( 43:.

Index


lead section
summarize
provide an accessible overview

Specialty
Orthopedics
acetabular labrum
running
hip dislocation
ageing
microtrauma
hip dislocation
hip dysplasia
iliopsoas
microtrauma
hyperflexion
external rotation
hockey
ballet
iliofemoral ligament
greater trochanter
morphology
etiology
femoral acetabular impingement
femoral head

physical examination
medical imaging
arthrogram

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