Déficits no equilíbrio muscular em jovens atletas de ginástica feminina

Benck, Bruna Travassos; David, Ana Cristina de; Carmo, João dos Santos

doi:10.1016/j.rbce.2016.01.008

Cited by 3 publications

(3 citation statements)

References 23 publications

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“…The muscles of the lower limbs need to develop maximum strength (dynamic and static), explosive (power) and endurance 11 . The quadriceps has a dominance when it comes to recruiting muscle fibers responsible for knee flexion and extension, due to its greater need, both in daily life and in sport 12 . Thus, morphofunctional tests are often used in sports teams for evaluation of performance, the evaluation of the power of lower limbs in sport has been receiving a lot of attention.…”

Section: Discussionmentioning

confidence: 99%

Relationship of speed and unilateral vertical jump performance of basketball athletes

Nascimento

Faria

Lima

et al. 2023

Rev. bras. cineantropom. desempenho hum.

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Basketball is a sport practiced around the world in this way, performances tests especially with low-cost and accessible are suggested to adjust the training. The 00aim of present study was to evaluate and correlate the speed and jump performance of lower limbs of basketball athletes from the Praia Grande, city of São Paulo, Brazil. Twelve male athletes (6.92 ± 2.57 years of pratice) from the Basketball team of Praia Grande City, aged 18.7 ± 0.6 years, height 1.85 ± 0.06, body mass 83.66 ± 10.16 kg were evaluated. The athletes were submitted to test sessions using the protocol for evaluating the maximum speed of 20 meters and the unilateral vertical jump. The speed on 20 meter test was 3.53 ± 0.20 seconds. Although an asymmetry of 17.81 ± 14.64% was found, no statistical difference (p = 0.817) was found between the dominant (36.50 ± 7.36 cm) and non-dominant (35.92 ± 5.63 cm) of vertical jump performance. Additionally, correlation between 20-meter test and values jump was found to dominant leg (p = 0.042) but not to non-dominant leg (p = 0.704). In conclusion, although asymmetry was found between members of the dominant and non-dominant side of the pitch, did not show any difference in the vertical jump.

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Section: Discussionmentioning

confidence: 99%

Relationship of speed and unilateral vertical jump performance of basketball athletes

Nascimento

Faria

Lima

et al. 2023

Rev. bras. cineantropom. desempenho hum.

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“…Muscle imbalance is the difference in muscle strength comparing dominant and non-dominant limbs with a difference >15%, and differences between agonist and antagonist muscle groups [22][23][24][25] . Such dysfunction is associated with a higher risk of osteomuscular injury.…”

Section: Discussionmentioning

confidence: 99%

Hand-Held Dynamometry to Safely Measure Muscle Strength in Patients In Intensive Care

Júnior

Santos²,

Júnior³

et al. 2021

Preprint

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Background: Intensive care unit-acquired weakness (ICU-AW) has been increasingly studied and associated with prognostic factors of negative outcomes during the hospitalization of critically ill patients. Therefore, it is essential to evaluate the muscle strength of patients in the intensive care unit (ICU) with accurate quantitative tools, such as the hand-held dynamometer (HHD), which directly measures the strength of large muscle groups, providing earlier and more accurate decision making. The objective of the present study was to evaluate the safety of using HHD to measure the strength of large muscle groups in ICU patients, in addition to determining the prevalence of muscle imbalance in these patients, and correlating HHD measures with the Medical Research Council (MRC) scale. Methods: A cross-sectional study was conducted, inferring the impact of strength measurement of the main muscle groups using HHD on vital signs, dyspnea, and pain. The occurrence of adverse events during the evaluation was also observed. Safety was assessed using the paired t-test, calculating the prevalence of muscle imbalance in the sample and Pearson’s correlation between the strength measurement instruments. Results: The sample consisted of 46 volunteers, and no clinically significant variability was observed for pre- and post-safety variables. A high prevalence of muscle imbalance was found in the sample, and there was a strong correlation between HHD and MRC. Discussion: Strength measurement using HHD in the ICU is safe and well-tolerated, providing information on the individual condition of large muscle groups and improving the ability to diagnose muscle imbalance in the ICU patients.

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“…It has been established that the cutoff point in muscle imbalance in relation to laterality (deficit -dominant versus non-dominant) up to 10% is considered normal, that is, values above this cutoff point indicate that there are significant muscle imbalances between members [13][14][15]. Considering that in handball the shoulder is the anatomical region that has the highest incidence of repetitive efforts, this numerical difference between the limbs can be explained by the throwing gesture being done predominantly by the dominant arm that encourages homolateral muscle development.…”

Section: Discussionmentioning

confidence: 99%

Força isocinética dos rotadores de ombro em jogadores de handebol: estudo seccional descritivo

Schindler¹,

Vasconcelos²,

Conceição³

et al. 2020

Rev Bras Fisiol Exerc

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Background: The repetitions attributed to the shoulders, mainly to the internal rotator muscles, during the throwing movements increase the risk of injury. Thus, it is necessary to ensure an adequate balance between the internal rotator (IR) muscles and their antagonists, external rotators (ER). Objective: To describe the strength and muscle balance of internal and external shoulder rotators in handball players. Methods: Descriptive sectional study with 58 handball athletes. Muscle function was assessed by the isokinetic dynamometer, the variables analyzed were the peak torque (TP) between the right and left shoulders and the antagonist/agonist ratio. Results: The lowest TP value in women ranged from 2.18 at angular speed of 300º/s (ER) to 33.0 at angular speed of 60º/s (IR). For the ER / IR ratio, the lowest value was 0.11 and the highest 0.79. For males, the lowest PT value was 27.5 (ER) at an angular speed of 300º / s, a higher value of 69.5 (IR) at angled speed of 60º/s. The RE / IR ratio ranged from 0.54 to 0.71. Conclusion: It was shown that the highest values of strength are in the dominant shoulder, for both sexes, which is considered normal. However, we also found a deficit in the ER / IR ratio above the cutoff point indicated in the literature, suggesting a significant muscle imbalance.Keywords: shoulder, handball, isokinetic dynamometer.

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Déficits no equilíbrio muscular em jovens atletas de ginástica feminina

Cited by 3 publications

References 23 publications

Relationship of speed and unilateral vertical jump performance of basketball athletes

Relationship of speed and unilateral vertical jump performance of basketball athletes

Hand-Held Dynamometry to Safely Measure Muscle Strength in Patients In Intensive Care

Força isocinética dos rotadores de ombro em jogadores de handebol: estudo seccional descritivo

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