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Effect of Load on Muscle Activity, Kinematics, and Force Production During the Reverse Hyperextension Exercise

Michael A. Lawrence, Matthew J. Somma, and Brian T. Swanson

et al 2 (posterior chain developer) may have contributed to differences. Differences may also stem from how the exercise was performed. Cuthbert et al 2 enforced a 1-second tempo for the concentric and eccentric phases with a pause at the top and bottom of the exercise, while the participants in

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Countermovement Jump and Isometric Strength Test–Retest Reliability in English Premier League Academy Football Players

Matthew Springham, Nav Singh, Perry Stewart, Jordan Matthews, Ian Jones, Charlie Norton-Sherwood, Dominic May, Jamie Salter, Anthony J. Strudwick, and Joseph W. Shaw

The countermovement jump (CMJ) and isometric hip abduction (IABS), adduction (IADS), and posterior chain (IPCS) strength tests are commonly used to profile neuromuscular performance and fatigue characteristics in elite-level academy football players. 1 – 7 Compulsory inclusion of CMJ testing in

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A Multisegmental Approach to Dry Needling Plantar Fasciitis: A Case Study

Brian V. Hortz and Sue Falsone

fascial chains may have significant clinical implications in PF. Specific to the posterior chain recent evidence demonstrates the link between remote myofascial structures and PF. These studies demonstrate that poor extensibility of gastrocnemius and hamstrings muscles may be associated with PF. 15 , 16

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Examining Differences in Movement Competency in Professional Baseball Players Born in the United States and Dominican Republic

Garrett S. Bullock, Taylor Chapman, Thomas Joyce, Robert Prengle, Taylor Stern, and Robert J. Butler

smaller percentage of above-average scores when compared with US players. We could not find any previous research specifically addressing ASLR movement differences across cultures, but it is thought that adequate posterior-chain mobility and pelvic control are necessary to perform an ASLR. 5 These

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Instrument-Assisted Soft Tissue Mobilization Increased Hamstring Mobility

Jeffrey R. Doeringer, Ramon Ramirez, and Megan Colas

activation. 4 These underlying causes for hamstring tightness could also lead to other pathologies, including lower back pain due to posterior pelvic tilting or other posterior chain issues. 5 Considering the range of dysfunctions related to hamstring tightness, often, a therapeutic intervention is

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The Effect of Speed, Power, and Strength Training and a Group Motivational Presentation on Physiological Markers of Athlete Readiness: A Case Study in Professional Rugby

Benjamin G. Serpell, Joshua Strahorn, Carmen Colomer, Andrew McKune, Christian Cook, and Kate Pumpa

side of multidirectional unilateral exercises for 15–20 m, with 2–3 min of rest between efforts with body-weight load only Low-load speed strength 1. Two sets of 3 repetitions each side of an exercise focusing on posterior chain with a load of horizontal body weight +3 kg, alternating/superset with 3

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Neuromuscular Responses to Conditioned Soccer Sessions Assessed via GPS-Embedded Accelerometers: Insights Into Tactical Periodization

Martin Buchheit, Mathieu Lacome, Yannick Cholley, and Ben Michael Simpson

metabolic loads (Endurance) 7 , 33 that could affect posterior chain function may be involved. In fact, in a recent study, the reduction in sprinting capacity of Rugby sevens players following an intense session was largely correlated with the amount of supramaximal running distance during the session. 7

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Acute Effects of Gastrocnemius/Soleus Self-Myofascial Release Versus Dynamic Stretching on Closed-Chain Dorsiflexion

Kimberly Somers, Dustin Aune, Anthony Horten, James Kim, and Julia Rogers

effective in creating increased ankle DF ROM, the addition of a dynamic DD stretch to a self-myofascial release session did produce a greater overall absolute change. It appears that the weight-bearing nature of DD increases overall tension throughout the posterior chain of the body, producing additive

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Effects of Hypopressive Exercise on Posterior Back Chain Kinematics and Pulmonary Function in Professional Female Basketball Players

Sonia L. Teijido, Tamara Rial Rebullido, Cinta Gómez-Tomás, Diego A. Alonso-Aubin, and Iván Chulvi-Medrano

increases of posterior back chain and rib cage mobility immediately after applying a diaphragmatic release technique compared with the placebo group. Similarly, Marizeiro et al 31 described improved chest wall mobility and improved posterior chain flexibility after applying a diaphragmatic release

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The Potential for a Targeted Strength-Training Program to Decrease Asymmetry and Increase Performance: A Proof of Concept in Sprinting

Scott R. Brown, Erin R. Feldman, Matt R. Cross, Eric R. Helms, Bruno Marrier, Pierre Samozino, and Jean-Benoît Morin

the observed increases in mechanical sprint measures. Importantly, this case study was the first of knowledge to show that a training regime, predominantly targeting hip extensor strength capacities, reduced F H asymmetry. This finding is of note, given the prevalence of posterior chain injuries