Feasibility and Effect of Cervical Resistance Training on Head Kinematics in Youth Athletes

Eckner, James T.; Goshtasbi, Alireza; Curtis, Kayla; Kapshai, Aliaksandra; Myyra, Erik W.; Franco, Lea M.; Favre, Michael; Jacobson, Jon A.; Ashton‐Miller, James A.

doi:10.1097/phm.0000000000000843

Cited by 25 publications

(35 citation statements)

References 24 publications

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“…Cervical-strengthening programs entail minimal risk, and programs as short as 8 weeks have been shown to increase strength and decrease head velocity. 19 However, the influence of cervical strengthening on concussion rates remains inconclusive and could be sport dependent. Previous researchers 13,20 observed that neck strength was not associated with concussion rates in contact sports.…”

Section: Discussionmentioning

confidence: 99%

Concussion-Prevention Strategies Used in National Collegiate Athletic Association Divisions I and II Women's Soccer

Jeffries

Girouard

Tandy

et al. 2020

Journal of Athletic Training

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Context Whereas much attention has been paid to identifying mechanisms for decreasing concussion rates in women's soccer players, which strategies are currently being used is unknown. In addition, athletic trainers' (ATs') knowledge and beliefs about the efficacy of concussion-prevention practices have not been studied. Objectives To evaluate the concussion-prevention strategies being used in National Collegiate Athletic Association Division I and Division II women's soccer and identify the beliefs of certified ATs regarding mechanisms for preventing concussion. Design Cross-sectional study. Setting Online survey. Patients or Other Participants A total of 223 women's soccer team ATs employed at Division I or II universities. Main Outcome Measure(s) A survey instrument of structured questions and open-ended, follow-up questions was developed to identify the use of cervical-strengthening programs, headgear, and other techniques for preventing concussion. Questions also addressed ATs' beliefs regarding the effectiveness of cervical strengthening, headgear, and mouthguards in concussion prevention. Data were collected via questionnaire in Qualtrics survey software. Descriptive statistics of frequencies and percentages were calculated for close-ended questions. Open-ended questions were evaluated for common themes, which were then reported by response frequency. Results Cervical strengthening or stability for concussion prevention was reported by 38 (17.12%) respondents; 153 (69.86%) ATs believed that cervical strengthening would aid in concussion prevention. Seventy-eight (35.49%) reported that their players wore headgear. Nineteen (8.76%) believed that soccer headgear prevented concussions; 45 (20.74%) believed that mouthguards prevented concussions. Education in proper soccer technique was reported by 151 (69.59%) respondents. Fourteen (0.06%) respondents cited nutritional strategies for concussion prevention. Conclusions Although ATs believed that cervical strengthening could help prevent concussions, few had implemented this strategy. However, the ATs whose teams used headgear outnumbered those who believed that headgear was an effective prevention strategy. Based on our findings, we saw a disconnect among the current use of concussion-prevention strategies, ATs' beliefs, and the available evidence.

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Section: Discussionmentioning

confidence: 99%

Concussion-Prevention Strategies Used in National Collegiate Athletic Association Divisions I and II Women's Soccer

Jeffries

Girouard

Tandy

et al. 2020

Journal of Athletic Training

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“…is problem is called the inverse kinematics problem. Each joint variable of the robot arm is an independent variable, and the pose of the end effector (hand grip) is usually expressed in the reference coordinate system [28,29]. To determine the corresponding joint variables according to the position and posture of the hand in the reference coordinate system, the inverse kinematics problem needs to be solved [30].…”

Section: Kinematicsmentioning

confidence: 99%

Modeling Method of Autonomous Robot Manipulator Based on D-H Algorithm

Cai

Deng

Zhang

et al. 2021

Mobile Information Systems

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With the continuous development of science and technology, robotics is widely used in various fields. In recent years, more and more research studies have been done on the control of autonomous robotic manipulators. How to quickly, accurately, and smoothly grasp objects has always been a difficult point of research. As the robot’s executive mechanism, the robot arm plays an important role in whether the robot can complete a specific task. Therefore, the research on the robot arm is also the main topic in the development of robot technology. The control theory, kinematics, and human-computer interaction of robotic arms are the focus of the research in the field of robotic arms. Based on the above background, the research content of this paper is the research on the modeling method of autonomous robotic manipulator based on D-H algorithm. This paper uses D-H modeling method to model a four-degree-of-freedom robotic arm and gives the forward kinematics equation of the robotic arm. The inverse solution of the manipulator was given by the method and the geometric method, and the joint variable values were calculated. Finally, through experimental simulation, the experimental results show that the inverse solution of the end position of the machine by the geometric method is in the range of 2∼4 mm, and the inverse solution of the end position of the machine by the algebraic method is in the range of 6∼14 mm. It is more accurate to find the inverse solution of the geometrical method of the manipulator than the algebraic method.

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“…A potentially modifiable risk factor in the prevention of fall-related TBI may be neck muscle strength and activation. Resistance training for the neck muscles has been shown to effectively decrease linear head velocity during head loading conditions in young adults [33]. Conversely it has been suggested that dynamic neuromuscular training may provide more benefit for the neck musculature's response to perturbation than resistance training alone [34].…”

Section: Discussionmentioning

confidence: 99%

Age-Related Differences in Head Impact during Experimentally Induced Sideways Falls

Wood

Moon

Sun

et al. 2019

BioMed Research International

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Purpose. To examine head impact incidence and head acceleration during experimentally induced falls as a function of age. Methods. 15 young adults (21.2±2.7) and 10 older adults (61.9±4.3 years) underwent 6 experimentally induced sideways falls. Participants fell sideways onto a 20cm crash pad. The number of head impacts was tabulated from video recordings and head acceleration was calculated from motion capture data. A total of 147 falls were analyzed. Results. The young group underwent 88 falls, in which 11.4% resulted in head impact. The older group underwent 59 falls, in which 34.5% resulted in head impact. A proportion analysis revealed older adults had a significantly greater proportion of head impacts than young adults (X2(1) = 11.445, p = 0.001). A two-way ANOVA only revealed a main effect of head impact on acceleration (F(1,142) = 54.342, p<0.001). Conclusion. The older adults experienced a greater proportion of head impacts during sideways falls. Head impact resulted in greater head acceleration compared to no head impact. Collectively, this data highlights the possibility that age-related neuromuscular changes to head control may result in elevated risk of fall-related TBIs. Future research examining mechanisms underlying increases in fall-related head impact is warranted.

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Feasibility and Effect of Cervical Resistance Training on Head Kinematics in Youth Athletes

Cited by 25 publications

References 24 publications

Concussion-Prevention Strategies Used in National Collegiate Athletic Association Divisions I and II Women's Soccer

Concussion-Prevention Strategies Used in National Collegiate Athletic Association Divisions I and II Women's Soccer

Modeling Method of Autonomous Robot Manipulator Based on D-H Algorithm

Age-Related Differences in Head Impact during Experimentally Induced Sideways Falls

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