Abstract Pérez-Castilla, A, Piepoli, Delgado-García, G, Garrido-Blanca, and García-Ramos, A. Reliability concurrent validity of seven commercially available devices for the assessment movement velocity at different intensities during bench press. J Strength Cond Res 33(5): 1258–1265, 2019—The aim this study was to compare reliability 7 measure press exercise. Fourteen men completed 2 testing sessions. One-repetition maximum (1RM) in exercise determined first session. The second session...

García-Ramos, A, Pestaña-Melero, FL, Pérez-Castilla, Rojas, FJ, and Haff, GG. Mean velocity vs. mean propulsive peak velocity: which variable determines bench press relative load with higher reliability? J Strength Cond Res 32(5): 1273-1279, 2018-This study aimed to compare between 3 variables (mean [MV], [MPV], [PV]): (a) the linearity of load-velocity relationship, (b) accuracy general regression equations predict (%1RM), (c) between-session reliability attained at each percentage...

To compare the load-velocity relationship between 4 variants of bench-press (BP) exercise.The full 30 men was evaluated by means an incremental loading test starting at 17 kg and progressing to individual 1-repetition maximum (1RM) in BP variants: concentric-only BP, throw (BPT), eccentric-concentric BPT.A strong fairly linear mean velocity (MV) %1RM observed for (r2 > .96 pooled data r2 .98 data). The MV associated with each significantly higher technique than technique. only significant...

This study compared the concurrent validity and reliability of previously proposed generalized group equations for estimating bench press (BP) 1-repetition maximum (1RM) with individualized load-velocity relationship modeled a 2-point method.Thirty men (BP 1RM relative to body mass: 1.08 [0.18] kg·kg-1) performed 2 incremental loading tests in concentric-only BP exercise another eccentric-concentric assess their actual relationships. A high velocity (≈1 m·s-1) low (≈0.5 were selected from...

Abstract Pérez-Castilla, A, García-Ramos, Padial, P, Morales-Artacho, AJ, and Feriche, B. Load-velocity relationship in variations of the half-squat exercise: influence execution technique. J Strength Cond Res 34(4): 1024–1031, 2020—Previous studies have revealed that velocity bar can be used to determine intensity different resistance training exercises. However, load-velocity seems exercise dependent. This study aimed compare obtained from 2 (traditional vs. ballistic) using techniques...

This study aimed to explore the effect of velocity and depth countermovement on vertical jump performance shape force-time curve. Seventeen university students performed two blocks 18 jumps (CMJ) being instructed for maximum height after performing at a self-selected (SS-CMJ) or fast (F-CMJ) velocity. Each block consisted six CMJ from larger depth, shorter self-preferred depth. Mean peak values force, power, reactive strength index-modified (RSImod), height, curve (unimodal bimodal) were...

This study aimed to compare the between-session reliability of load-velocity relationship between (1) linear versus polynomial regression models, (2) concentric-only eccentric-concentric bench press variants, as well (3) within-participants between-participants variability velocity attained at each percentage 1-repetition maximum. The 30 men (age: 21.2 [3.8] y; height: 1.78 [0.07] m, body mass: 72.3 [7.3] kg; maximum: 78.8 [13.2] kg) were evaluated by means and models in variants a Smith...

To provide 2 general equations to estimate the maximum possible number of repetitions (XRM) from mean velocity (MV) barbell and MV associated with a given in reserve, as well determine between-sessions reliability each XRM.After determination bench-press 1-repetition (1RM; 1.15 ± 0.21 kg/kg body mass), 21 men (age 23.0 2.7 y, mass 72.7 8.3 kg, height 1.77 0.07 m) completed 4 sets many against relative loads 60%1RM, 70%1RM, 80%1RM, 90%1RM over separate sessions. The different were tested...

This study aimed to compare the reliability and validity of force-velocity (F-V) relationship parameters obtained from two-point methods differing in distance between experimental points, evaluate acute change unloaded jump height after a vertical testing procedure based on multiple loads. Totally, 18 men randomly performed two sessions squat (SJ) countermovement (CMJ) exercises against five external loads (17, 30, 45, 60 75 kg). The was evaluated before each procedure. Five (0–17, 0–30,...

Abstract This study aimed to explore the strength of force–velocity ( F – V ) relationship lower limb muscles and reliability its parameters (maximum force [ 0 ], slope a maximum velocity power P ]). Twenty‐three men were tested in two different jump types (squat countermovement jump: SJ CMJ), performed under loading conditions (free weight Smith machine: Free Smith) with 0, 17, 30, 45, 60, 75 kg loads. The averaged values obtained for modelling. All relationships strong linear independently...

This study aimed to explore the differences in load-velocity profile between three upper-body pushing exercises men and women. The profiles (from 20% 100% of one-repetition maximum [1RM] 5% increments) 24 sport sciences students (12 men) were randomly tested during horizontal bench press (HBP), inclined (IBP) seated military (SMP) exercises. 1RM was higher for HBP (men: 94.2 ± 14.6 kg; women: 45.4 10.1 kg), followed by IBP 87.7 11.6 41.6 6.6 finally SMP 67.4 7.8 37.3 6.3 kg). mean test...

This study compared the effects of two velocity loss thresholds during a power-oriented resistance training program on mechanical capacities lower-body muscles. Twenty men were counterbalanced in groups (VL10 and VL20) based their maximum power capacity. Both used same exercises, relative intensity repetition volume, only differing threshold each set (VL10: 10% vs. VL20: 20%). Pre- post-training assessments included an incremental loading test 15-m linear sprint to assess force-...

Pérez-Castilla, A, Jaric, S, Feriche, B, Padial, P, and García-Ramos, A. Evaluation of muscle mechanical capacities through the 2-load method: Optimization load selection. J Strength Cond Res 32(5): 1245-1253, 2018-Recent research has revealed that force-velocity relationship obtained from "2-load method" (i.e., functional movements tested against just 2 external loads) could be a feasible method for selective assessment force, velocity, power-producing capacities. The study investigated...

To compare the accuracy of different devices to predict bench-press 1-repetition maximum (1RM) from individual load-velocity relationship modeled through multiple- and 2-point methods.Eleven men performed an incremental test on a Smith machine against 5 loads (45-55-65-75-85%1RM), followed by 1RM attempts. The mean velocity was simultaneously measured 1 linear transducer (T-Force), 2 position transducers (Chronojump Speed4Lift), camera-based optoelectronic system (Velowin), inertial...

Pérez-Castilla, A, Suzovic, D, Domanovic, Fernandes, JFT, and García-Ramos, A. Validity of different velocity-based methods repetitions-to-failure equations for predicting the 1 repetition maximum during 2 upper-body pulling exercises. J Strength Cond Res 35(7): 1800-1808, 2021-This study aimed to compare accuracy (i.e., load that can be lifted once; 1RM) Twenty-three healthy subjects (twelve men eleven women) were tested in sessions lat pull-down seated cable row Each session consisted an...

Jiménez-Alonso, A, García-Ramos, Cepero, M, Miras-Moreno, S, Rojas, FJ, and Pérez-Castilla, A. Velocity performance feedback during the free-weight bench press testing procedure: An effective strategy to increase reliability one repetition maximum accuracy prediction. J Strength Cond Res 36(4): 1077-1083, 2022-This study aimed determine whether verbal provision of velocity (BP) exercise influences (a) within-session magnitude mean concentric (MCV) values recorded against a range submaximal...

Objective : To explore (1) the goodness of fit generalized and individualized relationships between maximum number repetitions performed to failure (RTF) fastest mean velocity peak sets (RTF–velocity relationships), (2) between-sessions reliability values associated with different RTFs, (3) whether errors in prediction RTF under fatigued nonfatigued conditions differ RTF–velocity relationships. Methods Twenty-three sport-science students 4 testing sessions prone bench pull exercise a Smith...

ABSTRACT This study aims to determine the validity of linear critical power (CP) and Peronnet models estimate output associated with second ventilatory threshold (VT2) maximal aerobic (MAP) using two‐time trials. Nineteen recreational runners (10 males 9 females maximum oxygen uptake: 53.0 ± 4.7 mL/kg/min) performed a graded exercise test (GXT) VT2 MAP. On test, athletes trials 3 min interspaced by 30 min. The CP was determined from model compared VT2. MAP model, established at 7 min, in...

Countermovement bipodal jumps (CMJs), are widely used for health and performance assessment, but the software required such analyses is often costly. The study aim was to examine validity of an Excel/VBA spreadsheet comprehensive CMJ kinetic analysis. outcomes have been informed from scientific literature, includes modules data filtering photogrammetric To evaluate its validity, 21 participants performed CMJs on a dual force platform system, primary were compared with those derived...

Verbal feedback (knowledge of results [KR]) and listening to music are common ergogenic strategies used boost athlete performance during resistance exercise. No previous research has explored their effects when both combined in the same exercise session (KR+music). This study aimed examine impact providing KR, music, on: (1) mechanical responses (number repetitions, fastest velocity, average velocity a set), (2) perceptual (feeling scale [FS], rating perceived exertion [RPE], rate discomfort...

Background: Maximum repetitions to failure (RTF) and in reserve (RIR) can be estimated through fastest mean velocity (MV ) (MV), respectively. However, the impact of inter-repetition intervals (IRI) on these relationships free-weight back squat bench press exercises is unclear. Hypothesis: The IRI would affect RTF-MV RIR-MV relationships, with a higher goodness-of-fit using self-selected (SSIRI) compared 0 seconds (IRI0) 3 (IRI3). Study Design: Crossover study design. Level Evidence: 3....