Acute Effects of Drop Jumps on Lower Limb Stiffness and Mechanical and Kinematic Parameters During High-Speed Treadmill Running by Panagiotis Pappas, Ioannis Stavridis, Giorgos Paradisis

“…This study aimed to investigate the post-activation performance enhancement effects of drop jumps (DJs) on lower limb stiffness [leg stiffness (K_leg); vertical stiffness (K_vert)] and the related mechanical [maximal ground reaction force (F_max), vertical displacement of the centre of mass (Δy), and lower limb length (ΔL)] and kinematic parameters [step length (SL), step frequency (SF), flight time (FT), and contact time (CT)] during high-speed treadmill running. …”
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Developing a Variation Index for Understanding Step Characteristics in the Long Jump Approach Run by Ankur Jyoti Phukon, Krishnendu Dhar

“…These findings suggest that mechanical preparation for the final take-off in the long jump might start during the middle phase of the approach run. …”
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Heart rate cost as a tool for monitoring recovery between acute training sessions by José Morais Souto Filho, Milton Rocha de Moraes, Patrício Lopes de Araújo Leite, Larissa Alves Maciel, Andréa Cândida Arruda Andrade Rezende, Thiago dos Santos Rosa, Fabiana Andrade Machado, Sergio Rodrigues Moreira, Ricardo Yukio Assano, Marcelo Magalhães Sales, Herbert Gustavo Simões

Subjects: “…hr cost of running…”
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Maximal strength, sprint and jump performance in elite kumite karatekas by Fahri Safa Cinarli, Onur Aydogdu, Yalcin Aydin, Gürkan Tokgöz, Abdulselam Kahraman, Ayşegül Beykumül, Caner Aygoren, Nurkan Yılmaz, Rodrigo Ramirez-Campillo

“…Pearson correlation (trivial r < 0.1; small r < 0.3; moderate r < 0.5; large r < 0.7; very large r < 0.9; nearly perfect/perfect r ≥ 0.9) and linear regression analyses were performed to determine the relationship and shared variance between BLC strength, sprint, and jump performance. Results There were large to very large correlations between BLC strength and sprint time (r = − 0.930, p < 0.01), velocity (r = 0.918; p < 0.01), acceleration (r = 0.913; p < 0.01) and running momentum (r = 0.721; p < 0.01). …”
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Speed and agility as predictors of long jump performance of male athletes by Mukesh Kumar Mıshra, Vishan Singh Rathore

“…The selected athletes were measured of their speed by 50m dash sprint test (sec.), agility measured by 4 x 10m shuttle run test (sec.) and long jump performance measured by long jump (meter). …”
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Correlations between different methods of vertical jump and static balance parameters in athletes by Ali Ozkan, Mehmet Goktepe, Mehmet Gunay, Metin Bayram, Sakir Bezcı

“…For each participant, the following measurements were made respectively: 1) height and weight measurement, 2) 5-minute warm up run, 3) trial measurements so that participants could adjust to the balance platform, 4) Static balance measurements, 5) jumping measurements; and then the procedure was ended. …”
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Relationship Between Lower Extremity Strength Asymmetry And Jump And Sprint Performance by Celil Kaçoğlu

“…All participants participated in squat (SJ), countermovement jump (CMJ), 40m sprint run tests and right and left isokinetic concentric knee flexion and extension strength (IS) test at low (60°.s-1) and high (300°.s-1) angular velocities. …”
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Effects of Skipping Rope Training and Running on Cardiovascular Risk Indicators in Overweight and Obese Girls by Roya Gharaeinejad, Amir Hossein Haghighi, Roya Askari, Hadi Shahrabadi

“…RT program consisted of running with one-minute intervals and an intensity of 70-75% HRmax. …”
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Effects of linear and change of direction high-intensity interval training on physical performance of elite female soccer players by Mima Stanković, Nebojša Trajković, Draženka Mačak, Dušan Đorđević, Anja Lazić, Zoran Milanović

“…In contrast, the HIIT COD group performed three changes of direction (COD) with a 180° turn during each interval run at 15, 20 or 25 s. Physical performance was assessed using sprinting, agility, vertical jumps, repeated sprint ability (RSA) and 30–15 Intermittent Fitness Test (30–15 IFT). …”
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Determining Effect of Plyometric Exercises on Various Motoric Characteristics for Woman Volleyball Players by Mine Gül, Canan Eskiyecek, Hilal Şeşen, Gazanfer Gül

“…Purpose of this study is to examine impacts on vertical jump, agility and 20 meter sprint run at the end of 8 weeks plyometric exercise program among 13-14 age group woman volleyball players. …”
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Characteristics of Vestibular Ability Development in 6-10-Year-Old Female Gymnasts by D. Petran, G. Toma, V. Jurat

“…Thus, exploratory research was conducted within the CSM Arad, with 25 gymnasts aged 6-10 years, divided into two groups: A (6-7 years, n=10) and B (8-10 years, n=14). The Opto Jump Next system was used for testing the march in place (running in place with eyes open and eyes closed) in 10 sec. 17 parameters were measured (number of steps, contact time, flight time, pace, cycle, jumping point, tendency, and used area). …”
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Interventional effects of different track and field sports on human cardiovascular function indicators and physiological energy metabolism by Ruibin Jing, Zhengwei Wang, Choi Mee-Seong

“…A total of 42 people were divided into four sub sample groups: sprint group (10 people), jump group (10 people), long-distance running group (10 people), and regular student group (12 people). …”
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Enhancing health and well-being: unlocking the speed abilities of 9-year-old primary school children by Margarita Mameshina, Mirosława Cieślicka

“…The tests included:  1) Running 30 meters (The time taken by each participant to run a distance of 30 meters was recorded in seconds); 2) Jumping rope (The number of times each participant successfully completed jumping rope within one minute was measured). …”
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Dynamic simulation of breast behaviour during different activities based on finite element modelling of multiple components of breast by Jiazhen Chen, Zejun Zhong, Yue Sun, Joanne Yip, Kit-lun Yick

“…The comparative analysis reveals that jumping rope generates the highest stress on the breast components, followed by high knee skipping but running exerts the least amount of stress. …”
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The influence of volleyball classes on the physical fitness and health outcomes of college students by Lyudmila Shesterova, Daria Piatnytska, Lyudmila Gryshchenko, Krzysztof Wnorowski

“…The following tests were used to measure physical fitness: Shuttle run 3×10 meters (seconds), Running 60 meters (seconds), Jumping up (centimeters), and Jumping over a rope in 30 seconds. …”
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Examining some physical parameters of elite basketball players playing in different leagues by Mehmet Fatih Yuksel

“…Statistically significant difference was determined in 20 m speed running parameter (p lt;0.05). It was also determined that vertical jump, flexibility, 30 sec do sit-ups and 30 sec do push-up values were similar in two groups. …”
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Experimental and numerical studies on the vibration serviceability of fanshaped prestressed concrete floor by Liang Cao, Hongtuo Qi, Jiang Li

“…Running tests and simulation were also performed to capture the acceleration responses. …”
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Simulation Analysis of Knocking Noise of Two Speed Automatic Transmission in Electric Vehicle by Yonggan Lei, Yong Chen, Dawei Zheng, Guangxin Li, Changyin Wei, Libin Zang, Hangcong Lu, Xiaozhe Lin

“…It is very important to study the knocking noise of transmission because it has the characteristics of jumping noise level and wide frequency band， which is different from other noises. …”
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Effects of a 10-week athletic performance program on match performance variables in male professional football players by Sergio Jiménez Rubio, José L. Estévez Rodríguez, Victor Escamilla Galindo, Sergio L. Jiménez-Sáiz, Juan Del Coso

“…Performance metrics were assessed pre- and post-intervention using GPS to measure match-related variables (total running distance, sprint distance, number of sprints, and peak running speed) and countermovement jump tests to evaluate vertical jumping ability. …”
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FIFA'S Medical Research Centre Program Exercise Prevent Football Athlete Injury Among Unimuda Sorong by Waskito Aji Suryo Putro, Wahyu Retno Widiyaningsih, Witri Suwanto, Saiful Anwar

“…However, football players are often injured due to collisions and errors in landing after jumping. Some factors that increase the occurrence of injuries are poor balance, and poor running speed. …”
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