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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
Rivista di Medicina, Traumatologia e Psicologia dello Sport
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111
ORIGINAL ARTICLES EXERCISE PHYSIOLOGY AND BIOMECHANICS
The Journal of Sports Medicine and Physical Fitness 2016 July-August;56(7-8):849-56
Timing characteristics of body segments during the maximal instep kick in experienced football players
Rob LANGHOUT 1, 2, 3, Marvin WEBER 4, Igor TAK 3, 5, 6, Ton LENSSEN 7 ✉
1 Physiotherapy Dukenburg Nijmegen, Nijmegen, The Netherlands; 2 Master Musculoskeletal Therapy (SOMT), Amersfoort, The Netherlands; 3 Dutch Institute for Allied Health Care (NPi), Master of Physical Therapy in Sports, Amersfoort, The Netherlands; 4 Human movement Sciences, Maastricht University, Maastricht, The Netherlands; 5 Physiotherapy Utrecht Oost, Utrecht, The Netherlands; 6 Academic Medical Centre Amsterdam, Department of Orthopaedics and Sports Traumatology, Amsterdam, The Netherlands; 7 Maastricht University Medical Centre, Department of Physical Therapy, Maastricht, The Netherlands
BACKGROUND: The first aim of this study was to describe duration and relative timing of the phases of the maximal instep kick. The second aim was to describe the concurrence of maximal range of motion, maximal angular acceleration, maximal angular deceleration and maximal angular velocity of body segments with four key points.
METHODS: Twenty experienced football players performed three maximal instep kicks. The kicks were analysed using a full body, three-dimensional motion capture system. Camera recordings determined kicking leg events. The concurrence of peak kinematics of body segments with four key points was calculated.
RESULTS: Duration and timing of five phases were identified. Key point maximal hip extension (51.4±5.0%) concurred significantly with maximal range of motion (ROM) of shoulder extension. Key point maximal knee flexion (63.6±5.2%) concurred significantly with maximal angular acceleration of spine flexion and pelvis posterior tilt. Key point knee flexion 90 degrees (69.3±4.9%) concurred significantly with maximal angular velocity of shoulder flexion and spine flexion, maximal angular deceleration of hip flexion and maximal angular acceleration of knee extension. Key point ball impact (75.2±5.2%) concurred significantly with maximal ROM of hip deflexion and pelvis anterior rotation and with maximal angular deceleration of spine flexion and pelvis anterior rotation.
CONCLUSIONS: This study demonstrated that eleven peak kinematics of upper body and kicking leg segments, significantly concurred with four kicking leg positions. These results provide Key points for kicking coordination and stress the importance of dynamical coupling as a kicking mechanism.