Does A Short Period of Lower Limb Strength Training Improve Performance in Field-Based Tests of Running and Agility in Young Professional Soccer Players?

2008 ◽  
Vol 22 (2) ◽  
pp. 404-411 ◽  
Author(s):  
Hugues Jullien ◽  
Cécile Bisch ◽  
Nasser Largouët ◽  
Christophe Manouvrier ◽  
Christopher J Carling ◽  
...  
Keyword(s):  
Strength Training ◽  
Lower Limb ◽  
Soccer Players ◽  
Improve Performance ◽  
Young Professional ◽  
Professional Soccer ◽  
Lower Limb Strength ◽  
Short Period

Effects of Lower-Limb Strength Training on Agility, Repeated Sprinting With Changes of Direction, Leg Peak Power, and Neuromuscular Adaptations of Soccer Players

2018 ◽  
Vol 32 (1) ◽  
pp. 37-47 ◽  
Author(s):  
Mehréz Hammami ◽  
Yassine Negra ◽  
François Billaut ◽  
Souhail Hermassi ◽  
Roy J. Shephard ◽  
...  
Keyword(s):  
Strength Training ◽  
Lower Limb ◽  
Peak Power ◽  
Soccer Players ◽  
Lower Limb Strength ◽  
Neuromuscular Adaptations

FUNCTIONAL MOVEMENT SCREEN AND LOWER LIMB STRENGTH ASYMMETRY IN PROFESSIONAL SOCCER PLAYERS

2017 ◽  
Vol 51 (4) ◽  
pp. 381.3-382
Author(s):  
Italo Sannicandro ◽  
Giacomo Cofano ◽  
Anna Rosa Rosa ◽  
Paolo Traficante ◽  
Andrea Piccinno
Keyword(s):  
Lower Limb ◽  
Soccer Players ◽  
Functional Movement Screen ◽  
Functional Movement ◽  
Professional Soccer ◽  
Lower Limb Strength ◽  
Strength Asymmetry

scholarly journals Morphological Changes of the Hip Commonly Associated With Femoroacetabular Impingement Are Not Correlated With Rotational Range of Hip Motion in Elite Soccer Athletes

2021 ◽  
pp. 194173812097366
Author(s):  
André Orlandi Bento ◽  
Guilherme Falótico ◽  
Keelan Enseki ◽  
Ronaldo Alves Cunha ◽  
Benno Ejnisman ◽  
...  
Keyword(s):  
Femoroacetabular Impingement ◽  
Lower Limb ◽  
Clinical Relevance ◽  
Morphological Changes ◽  
Alpha Angle ◽  
Soccer Players ◽  
Level Of Evidence ◽  
Rotational Movement ◽  
Professional Soccer ◽  
Significant Difference

Background: Morphological changes characteristic of femoroacetabular impingement (FAI) are common in soccer players. However, the clinical relevance of such anatomical variations is still not well-defined. Hypothesis: We hypothesized that high alpha angle values and/or acetabular retroversion index (ARI) are correlated with rotational range of motion (ROM) of the hip and that there are clinical-radiological diferences between the dominant lower limb (DLL) and nondominant lower limb (NDLL) in professional soccer players. Study Design: Cross-sectional. Level of Evidence: Level 3. Methods: A total of 59 male professional soccer players (average age 25.5 years, range 18-38 years) were evaluated in the preseason. As main outcome measures, we evaluated the alpha angle and the ARI and hip IR and ER ROM with radiographic analysis. Results: The measurements taken on DLL and NDLL were compared and a significant difference was found between the sides in the ER ( P = 0.027), where the DLL measures were 1.54° (95% CI, 0.18-2.89) greater than the NDLL. There were no significant differences between the sides in the measures of IR ( P > 0.99), total ROM ( P = 0.07), alpha angle ( P = 0.250), and ARI ( P = 0.079). The correlations between the rotation measurements and the alpha angle in each limb were evaluated and the coefficient values showed no correlation; so also between the ARI and rotation measures. Conclusion: Morphological changes of the femur or acetabulum are not correlated with hip IR and ER ROM in male professional soccer players. ER on the dominant side was greater than on the nondominant side. There was no significant difference in the other measurements between sides. Clinical Relevance: In clinical practice, it is common to attribute loss of hip rotational movement to the presence of FAI. This study shows that anatomical FAI may not have a very strong influence on available hip rotational movement in professional soccer athletes.

Strength training in professional soccer: effects on short-sprint and jump performance

2021 ◽  
Author(s):  
Javier Nuñez ◽  
Luis Suarez-Arrones ◽  
Moisés de Hoyo ◽  
Irineu Loturco
Keyword(s):  
Strength Training ◽  
Meta Analysis ◽  
Vertical Jump ◽  
Soccer Players ◽  
Validity And Reliability ◽  
Jump Performance ◽  
Training Strategy ◽  
Performance Improvements ◽  
Professional Soccer ◽  
Training Schemes

Several studies have confirmed the efficacy of strength training to maximize soccer player performance during competition. The aim of this meta-analysis was to determine the effects of different strength training protocols on short-sprint and vertical jump performance of professional soccer players from the first division of their countries. The following inclusion criteria were employed for the analysis: (a) randomized studies; (b) high validity and reliability instruments; (c) studies published in a high-quality peer-reviewed journal; (d) studies involving professional soccer players from the first division; (e) studies with descriptions of strength training programs; and (f) studies where countermovement jump and 10-m sprint time were measured pre and post training. Overall, the different strength-oriented training schemes produced similar performance improvements, which seem not to depend on the training strategy. Strength training appears to have a lower effect when applied during in-season than when applied in pre-season periods in first division soccer players. In this meta-analysis it is not possible to confirm that strength training in isolation is capable of improving the short-sprint and jump performance of elite soccer players. The congested fixture schedule and, thus, the limited time to perform complementary (non-specific) training sessions, may contribute to these reduced effects.

scholarly journals Regions at Risk in the Knee Joint of Young Professional Soccer Players: Longitudinal Evaluation of Early Cartilage Degeneration by Quantitative T2 Mapping in 3 T MRI

Cartilage ◽  
2020 ◽  
pp. 194760352092477
Author(s):  
Hanna Schenk ◽  
David Simon ◽  
Leonie Waldenmeier ◽  
Christoph Evers ◽  
Rolf Janka ◽  
...  
Keyword(s):  
At Risk ◽  
Knee Joint ◽  
T2 Mapping ◽  
Cartilage Damage ◽  
Cartilage Degeneration ◽  
Soccer Players ◽  
Young Professional ◽  
Professional Soccer ◽  
Playing Time

Purpose. The study aims to detect regions at risk for (pre-)osteoarthritis in the tibiofemoral joint of young professional soccer players by evaluating cartilage composition by T2 mapping in a 3 T magnetic resonance imaging setting. Methods. In this longitudinal study, 20 professional adolescent soccer players were included. Tibiofemoral cartilage was assessed by quantitative T2 mapping and T2 values were evaluated by regions of interest analysis. Statistical evaluation, using Wilcoxon signed-rank tests, was performed to compare global T2 values and subregional T2 values between a baseline and a follow-up investigation 4.3 years later. Based on the average of playing time (15 years) we divided the cohort in 2 groups and differences were evaluated. Results. When comparing baseline and follow-up, our findings showed statistically significant increases of the global medial tibial and femoral T2 values. The most noticeable results of the subregional T2 analysis were statistically significant increases in the medial posterior zones (deep femoral 36.1 vs. 39.5, P = 0.001; superficial femoral 57.0 vs. 62.4, P = 0.034; deep tibial 28.3 vs. 34.1, P = 0.009; superficial tibial 43.2 vs. 55.3, P = 0.002). Conclusion. The elevation of T2 values in the medial, especially medial posterior, compartment of the knee joint indicates that these regions are at risk for early cartilage degeneration already at the time of adolescence. The findings can help individualize and optimize training concepts and to be aware of the chronic stress on these vulnerable areas. Prevention programs should be established in young players to avoid further cartilage damage.

Isokinetic strength training program for muscular imbalances in professional soccer players

2008 ◽  
Vol 2 (3) ◽  
pp. 101-105 ◽  
Author(s):  
A. Gioftsidou ◽  
I. Ispirlidis ◽  
G. Pafis ◽  
P. Malliou ◽  
C. Bikos ◽  
...  
Keyword(s):  
Strength Training ◽  
Training Program ◽  
Soccer Players ◽  
Isokinetic Strength ◽  
Professional Soccer

scholarly journals Infrared thermography applied to lower limb muscles in elite soccer players with functional ankle equinus and non-equinus condition

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3388 ◽  
Author(s):  
David Rodríguez-Sanz ◽  
Marta Elena Losa-Iglesias ◽  
Daniel López-López ◽  
César Calvo-Lobo ◽  
Patricia Palomo-López ◽  
...  
Keyword(s):  
Lower Limb ◽  
Tibialis Anterior ◽  
Tibialis Anterior Muscle ◽  
Direct Consequence ◽  
Triceps Surae ◽  
Soccer Players ◽  
Maximum Temperature ◽  
Lower Limb Muscles ◽  
Professional Soccer ◽  
The Status

Gastrocnemius-soleus equinus (GSE) is a foot-ankle complaint in which the extensibility of the gastrocnemius (G) and soleus muscles (triceps surae) and ankle are limited to a dorsiflexion beyond a neutral ankle position. The asymmetric forces of leg muscles and the associated asymmetric loading forces might promote major activation of the triceps surae, tibialis anterior, transverses abdominal and multifidus muscles. Here, we made infrared recordings of 21 sportsmen (elite professional soccer players) before activity and after 30 min of running. These recordings were used to assess temperature modifications on the gastrocnemius, tibialis anterior, and Achilles tendon in GSE and non-GSE participants. We identified significant temperature modifications among GSE and non-GSE participants for the tibialis anterior muscle (mean, minimum, and maximum temperature values). The cutaneous temperature increased as a direct consequence of muscle activity in GSE participants. IR imaging capture was reliable to muscle pattern activation for lower limb. Based on our findings, we propose that non-invasive IR evaluation is suitable for clinical evaluation of the status of these muscles.

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