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Fotaki A, Triantafyllou A, Koulouvaris P, Skouras AZ, Stasinopoulos D, Gkrilias P, Kyriakidou M, Stasi S, Antonakis-Karamintzas D, Tsolakis C, Savvidou O, Papagiannis G. Excessive Knee Internal Rotation during Grand Plié in Classical Ballet Female Dancers. Sports (Basel) 2024; 12:54. [PMID: 38393275 PMCID: PMC10893237 DOI: 10.3390/sports12020054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/28/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Classical ballet dancers are exposed daily to physically demanding movements. Among these, the Grand Plié stands out for its biomechanical complexity, particularly the stress applied to the knee joint. This study investigates the knee kinematics of healthy professional classical ballet dancers performing the Grand Plié. Twenty dancers were evaluated with a motion analysis system using a marker-based protocol. Before measurements, the self-reported Global Knee Functional Assessment Scale was delivered for the knees' functional ability, and the passive range of knee motion was also assessed. The average score on the Global Knee Functional Assessment Scale was 94.65 ± 5.92. During a complete circle of the Grand Plié movement, executed from the upright position, the average maximum internal rotation of the knee joint was 30.28° ± 6.16°, with a simultaneous knee flexion of 134.98° ± 4.62°. This internal rotation observed during knee flexion exceeds the typical range of motion for the joint, suggesting a potential risk for knee injuries, such as meniscal tears. The findings provide an opportunity for future kinematic analysis research, focusing on the movement of the Grand Plié and other common ballet maneuvers. These data have the potential to yield valuable information about the knee kinematics concerning meniscus damage.
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Affiliation(s)
- Aspasia Fotaki
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
| | - Athanasios Triantafyllou
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
- Biomechanics Laboratory, Department of Physiotherapy, University of the Peloponnese, 23100 Sparta, Greece; (P.G.); (M.K.)
| | - Panagiotis Koulouvaris
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
| | - Apostolos Z. Skouras
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
| | - Dimitrios Stasinopoulos
- Laboratory of Neuromuscular and Cardiovascular Study of Motion, Physiotherapy Department, Faculty of Health and Care Science, University of West Attica, 12243 Egaleo, Greece; (D.S.); (S.S.)
| | - Panagiotis Gkrilias
- Biomechanics Laboratory, Department of Physiotherapy, University of the Peloponnese, 23100 Sparta, Greece; (P.G.); (M.K.)
| | - Maria Kyriakidou
- Biomechanics Laboratory, Department of Physiotherapy, University of the Peloponnese, 23100 Sparta, Greece; (P.G.); (M.K.)
| | - Sophia Stasi
- Laboratory of Neuromuscular and Cardiovascular Study of Motion, Physiotherapy Department, Faculty of Health and Care Science, University of West Attica, 12243 Egaleo, Greece; (D.S.); (S.S.)
| | - Dimitrios Antonakis-Karamintzas
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
| | - Charilaos Tsolakis
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
- Sports Performance Laboratory, School of Physical Education & Sports Science, National and Kapodistrian University of Athens, 17237 Athens, Greece
| | - Olga Savvidou
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
| | - Georgios Papagiannis
- 1st Department of Orthopaedic Surgery, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.T.); (P.K.); (A.Z.S.); (D.A.-K.); (C.T.); (O.S.); (G.P.)
- Biomechanics Laboratory, Department of Physiotherapy, University of the Peloponnese, 23100 Sparta, Greece; (P.G.); (M.K.)
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