scholarly journals The Occurrence of Different Vertical Jump Types in Basketball Competition and their Relationship with Lower-Body Speed-Strength Qualities.

Author(s):  
Scott Talpey ◽  
Andrew Smyth ◽  
Mathew O'Grady ◽  
Matthew Morrison ◽  
Warren Young

Jumps occur frequently in basketball and can be executed from a single-leg take-off following a run-up or bilaterally from a standing start. Understanding the type of jumps performed in competition and how different muscular qualities influence their performance, informs training prescription. Firstly, to quantify the occurrence of different jump types performed in competition an analysis of 15 semi-professional basketball games was undertaken. Secondly, to understand the influence of muscular qualities on performance of different jump types, Semi-professional male basketball players (N=17) performed jump tests; standing vertical jump, running vertical jumps with a double leg take-off (RVJ2) and a single leg take-off (RVJ1) and tests of lower-body speed-strength; reactive strength index (RSI) from a drop jump, counter movement jump (CMJ) and squat jump.  A stationary approach was employed for 69%, a running approach for 26% and a one-step approach for 5%. RVJ1 displayed non-significant (P=0.07) moderate correlation with jump height attained from the CMJ (r=0.439) and a very large (r =.806) significant (P<0.01) correlation with RSI. Most jumps were executed from a stationary start with a bilateral take-off while a run-up occurred prior to a substantial proportion of jumps. Jumps with a single-leg take-off from a run-up strongly correlate with RSI.

2017 ◽  
Vol 60 (1) ◽  
pp. 9-18 ◽  
Author(s):  
Glenn Björklund ◽  
Marie Alricsson ◽  
Ulla Svantesson

AbstractThe aim of this study was to evaluate the symmetry of anthropometry and muscle function in cross-country skiers and their association to vertical jumping power. Twenty cross-country skiers were recruited (21.7 ± 3.8 yrs, 180.6 ± 7.6 cm, 73.2 ± 7.6 kg). Anthropometric data was obtained using an iDXA scan. VO2maxwas determined using the diagonal stride technique on a ski treadmill. Bilateral functional tests for the upper and lower body were the handgrip and standing heel-rise tests. Vertical jump height and power were assessed with a counter movement jump. Percent asymmetry was calculated using a symmetry index and four absolute symmetry index levels. At a group level the upper body was more asymmetrical with regard to lean muscle mass (p = 0.022, d = 0.17) and functional strength (p = 0.019, d = 0.51) than the lower body. At an individual level the expected frequencies for absolute symmetry level indexes showed the largest deviation from zero for the heel-rise test (χ2 = 16.97, p = 0.001), while the leg lean mass deviated the least (χ2 = 0.42, p = 0.517). No relationships were observed between absolute symmetry level indexes of the lower body and counter movement jump performance (p > 0.05). As a group the skiers display a more asymmetrical upper body than lower body regarding muscle mass and strength. Interestingly at the individual level, despite symmetrical lean leg muscle mass the heel-rise test showed the largest asymmetry. This finding indicates a mismatch in muscle function for the lower body.


2012 ◽  
Vol 31 (1) ◽  
pp. 149-158 ◽  
Author(s):  
Utku Alemdaroğlu

The Relationship Between Muscle Strength, Anaerobic Performance, Agility, Sprint Ability and Vertical Jump Performance in Professional Basketball PlayersThe purpose of this study was to investigate the relationship between isokinetic knee strength, anaerobic performance, sprinting ability, agility and vertical jump performance in first division basketball players. Twelve male first division basketball players participated in this study. The mean age was 25.1 ± 1.7 yrs; mean body height 194.8 ± 5.7 cm; mean body mass 92.3± 9.8 kg; mean PBF 10.1± 5.1; and mean VO2max50.55 ± 6.7 ml/kg/min. Quadriceps and hamstrings were measured at 60° and 180°/s, anaerobic performance was evaluated using the Wingate anaerobic power test, sprint ability was determined by single sprint performance (10-30 m), jump performance was evaluated by countermovement (CMJ) and squat jump (SJ) tests and agility performance was measured using the T drill agility test. Quadriceps strength was significantly correlated with peak power at all contraction velocities. However, for mean power, significant correlation was only found between the 60° left and 180° right knee quadriceps measurements. No measure of strength was significantly related to the measurements from/results of field tests. Moreover, strong relations were found between the performance of athletes in different field tests (p< 0.05). The use of correlation analysis is the limitation of the this study.


2019 ◽  
Vol 16 (2) ◽  
pp. 739
Author(s):  
Milan Mitić ◽  
Miloš Paunović ◽  
Mladen Živković ◽  
Nikola Stojanović ◽  
Ivana Bojić ◽  
...  

Basketball is a sports game which consists of rapid changes in direction of movement, sudden stopping and starting for driving and dribbling and a great number of jumps. The various positions on a basketball team precisely determine the requirements for specific forms of movement, even though contemporary basketball strives for all players in all positions to possess the aforementioned abilities. A sample of 15 male basketball players, divided into three groups of five players each, based on their positions on the team, including the guard, forward and center position, was used to determine differences in agility (Agility T Test, Hexagon Agility Тest, Illinois Agility Test и Lane Agility Drill) and explosive power (the Squat jump, Countermovement Jump, Drop Jump and One-legged Counter Movement Jump). To determine the differences between the basketball players in relation to their positions on the team, the ANOVA analysis for independent samples was used as was a post-hoc analysis. The research results have indicated that there is a difference between the guard position compared to the forward and center position.


2019 ◽  
Vol 2 (1) ◽  
pp. 47
Author(s):  
Fatkurahman Arjuna

Penelitian ini bertujuan untuk mengetahui gambaran komponen fisik predominan (komponen fisik dasar) pelatih SSO Real Madrid FC FIK UNY 2016.  Adapun komponen fisik predominan (komponen fisik dasar) yang diukur meliputi kekuatan, daya tahan otot, speed, kelincahan, kelentukan, power dan daya tahan dasar (kardiovaskuler). Desain yang digunakan dalam penelitian ini adalah penelitian survai, dengan teknik tes. Subjek penelitian ini adalah pelatih SSO Real Madrid FC FIK UNY tahun 2016 sebanyak 11 orang. Instrumen yang digunakan untuk kekuatan otot punggung dan tungkai dalah leg and back dynamometer. Daya tahan otot perut diukur dengan tes sit up, daya tahan otot lengan dan bahu dengan tes push up, daya tahan otot tungkai dengan tes squat jump. Speed dengan tes lari 30 meter. Kelincahan dengan tes beam side step. Kelentukan dengan alat flexometer. Power otot tungkai dengan tes vertical jumps. Daya tahan umum (kardiovascular) dengan multistage test.  Hasil penelitian menunjukkan bahwa pelatih SSO Real Madrid FC FIK UNY 2016 secara umum memiliki kekuatan otot punggung yang baik sekali dengan rata-rata 138,7 kg. Pengukuran kekuatan otot tungkai menunjukkan rata-rata 170,9 kg yang artinya mayoritas pelatih memiliki kekuatan otot tungkai yang cukup dan kurang. Pelatih SSO Real Madrid FC secara umum memiliki daya tahan otot perut yang kurang dengan rata-rata sit up 45,5 kali dan daya tahan otot lengan dan bahu yang baik dan cukup dengan rata-rata push up 20,9 kali. Sedangkan daya tahan otot tungkai secara umum masuk kategori kurang dengan rata-rata squat jump 16,4 kali. Pelatih SSO Real Madrid FC memiliki speed yang kurang dengan rata-rata 4,826 detik. Hasil pengukuran menunjukkan seluruh pelatih memiliki kelincahan yang kurang dengan rata-rata 27,4 detik. Hasil penelitian menunjukkan bahwa seluruh pelatih memiliki kelentukan yang sempurna dengan rata-rata 37,9 cm. Hasil pengukuran power menunjukkan rata-rata vertical jump 45,8 cm, yang artinya pelatih SSO Real Madrid FC memiliki power yang cukup. Sementara hasil penelitian menunjukkan bahwa pelatih SSO Real Madrid FC secara umum memiliki tingkat daya tahan umum (kardiovaskuler) yang kurang dengan rata-rata 33,67 ml.kg/menit.


2021 ◽  
Vol 15 (7) ◽  
pp. 2226-2228
Author(s):  
Ahmet Atli ◽  
Ali Furkan Yarar

Background and Study Aim: This single group pre- and post-test study aimed to examine kinematic changes in vertical jump performances before and after fatigue in basketball players. Material and Method: Ten male university student (age 23.28±1.31 years, height 181.17±6.87 cm, body weight 74.53±9.27 kg) basketball players voluntarily participated in the study. Vertical jump test was performed twice, once before fatigue and again after fatigue, and jump measurements were recorded with 2 cameras capable of shooting 240 frames per second. The vertical jumps were measured using a Smart Speed device. The recorded measurements were analyzed using a biomechanical analysis program, and the results were analyzed statistically. Each participant performed 5 resting jumps on the jump mat after warm-up, and the highest height reached was determined as the jump height. Next, the protocol for inducing fatigue was initiated without a period of rest, and the participants were asked to sprint 6x10 m, following which vertical jumps were performed 5 times without any break. The maximum value of each parameter obtained from among the 5 vertical jumps was used for analysis. The protocol for inducing fatigue was followed until the post-fatigue vertical jump parameter values were below 70% of the maximum values recorded before fatigue. Pre- and post-fatigue jump parameter values were statistically analyzed using the paired samples t-test. Results and Conclusion: Statistically significant differences were observed in knee flexion angle measurements before and after fatigue as well as in jump height measurements before and after fatigue (p<0.05). Therefore, it is believed that fatigue may be associated with a risk of knee joint injury in basketball players. Keywords: Kinematic Analysis, Vertical Jump, Performance, Fatigue, Basketball Players


2011 ◽  
Vol 25 (11) ◽  
pp. 3088-3092 ◽  
Author(s):  
Shaher AI Shalfawi ◽  
Ammar Sabbah ◽  
Ghazi Kailani ◽  
Espen Tønnessen ◽  
Eystein Enoksen

2020 ◽  
Vol 5 (3) ◽  
pp. 50
Author(s):  
Joey O Brien ◽  
Declan Browne ◽  
Des Earls

The aim of this study was to investigate the effect of two types of eccentric (ECC) overload training on strength, speed, power and change of direction in female basketball players. Twenty amateur basketball players (mean ± SD: age: 23.67 ± 6.05 years; height: 1.73 ± 0.05 m; body mass: 80.28 ± 17.67 kg) participated in a randomized trial. The players performed either flywheel inertial training (FIT) (n = 11) or tempo ECC training (TET) (n = 9) for 4 weeks, performing two sessions weekly. Performance characteristics, one repetition back squat (1RM), counter-movement jump (CMJ), squat jump (SJ), 10-metre sprint (10 m), change of direction (COD) and sit and reach flexibility (S&R) were tested pre and post intervention. Post-hoc testing revealed significant improvements in the FIT group for 1RM (p ≤ 0.001; ES = 0.59), 10 m (p = 0.003; ES = −0.54) and CMJ (p ≤ 0.001; ES = 1.04), while significant improvements were revealed in the TET group for 1RM (p = 0.007; ES = 0.71) and S&R (p ≤ 0.001; ES = 0.58). In conclusion, both FIT and TET groups demonstrated a positive training stimulus for increasing muscular strength. FIT may produce superior adaptions in CMJ and 10-m sprint, while TET may produce superior adaptions in S&R. Neither group achieved increases in either SJ or COD.


2012 ◽  
Vol 34 (1) ◽  
pp. 59-68 ◽  
Author(s):  
Henryk Król ◽  
Władysław Mynarski

AbstractThe main objective of the study was to determine to what degree higher muscular activity, achieved by increasedload in the extension phase (eccentric muscle action) of the vertical jump, affects the efficiency of the vertical jump.Sixteen elite biathletes participated in this investigation. The biathletes performed tests that consisted of five, single“maximal” vertical jumps (counter movement jump - CMJ) and five, single vertical jumps, in which the task was totouch a bar placed over the jumping biathletes (specific task counter movement jump - SCMJ). Then, they performedfive, single drop jumps from an elevation of 0.4m (DJ). Ground reaction forces were registered using the KISTLER9182C force platform. MVJ software was used for signal processing (Król, 1999) and enabling calculations forkinematic and kinetic parameters of the subject’s jump movements (on-line system). The results indicate that onlyheight of the jump (h) and mean power (Pmean) during the takeoff are statistically significant. Both h and Pmean arehigher in the DJ. The results of this study may indicate that elite biathletes are well adapted to eccentric work of thelower limbs, thus reaching greater values of power during the drop jump. These neuromuscular adaptive changes mayallow for a more dynamic and efficient running technique.


Author(s):  
Jorge Arede ◽  
Sogand Poureghbali ◽  
Tomás Freitas ◽  
John Fernandes ◽  
Wolfgang I. Schöllhorn ◽  
...  

This pilot study aimed to determine the effects of differential learning in sprint running with and without changes of direction (COD) on physical performance parameters in female basketball players and to determine the feasibility of the training protocol. Nine female basketball players completed 4 weeks of repeated sprint training (RST) with (COD, n = 4) or without (NCOD, n = 5) changes of direction. A battery of sprints (0–10 and 0–25 m), vertical jumps (counter movement jump (CMJ), drop jump, and single-leg CMJs), and COD tests were conducted before and after intervention. NCOD completed two sets of ten sprints of 20 m, whereas COD performed 20 m sprints with a 180 degree turn at 10 m, returning to the starting line. Before each sprint, participants were instructed to provide different fluctuations (i.e., differential learning) in terms of varying the sprint. Both groups had 30 s of passive recovery between two sprints and 3 min between sets. A significant effect of time for the 0–10 m sprint, CMJ, and single leg-CMJ asymmetries were observed. Adding “erroneous” fluctuation during RST seems to be a suitable and feasible strategy for coaches to enhance physical performance in young female basketball players. However, further studies including larger samples and controlled designs are recommended to strengthen present findings.


2017 ◽  
Vol 18 (3) ◽  
Author(s):  
Jarosław Kabaciński ◽  
Michał Murawa ◽  
Anna Fryzowicz ◽  
Lechosław Bogdan Dworak

AbstractPurpose. Tests such as the counter movement jump (CMJ) and squat jump (SJ) allow for determining the ratio of maximal power output generated during SJ to CMJ (S/C). The isokinetic peak torque ratio of the hamstrings contracting eccentrically to the quadriceps contracting concentrically (H/Q) is defined as functional H/Q. The purpose of this study was to compare the S/C and functional H/Q between female basketball and volleyball players. Methods. The total of 14 female basketball players (age, 19.8 ± 1.4 years) and 12 female volleyball players (age, 22.3 ± 4.2 years) participated in the study. A piezoelectric force platform was used for the CMJ and SJ. Moreover, isokinetic tests of the hamstrings and quadriceps muscle torque during eccentric and concentric contraction were performed. Results. The results of the S/C and functional H/Q at 90 deg · s


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