Effect of eccentric overload through isoinertial technology in basketball players

Abstract

The present study investigated the effect of eccentric overload on professional basketball players. Participants were 8 players aged 18-25 years who play in a Leb Oro League team. There was an 8 week training cycle with 1 weekly session of half squats. The control group performed training following a traditional methodology –using free weights– whereas the experimental group used inertial technology, that is, the ProSquat machine from Proinertial®. Both vertical jump and 30-meter sprint were assessed before and after intervention. The following conclusions were reached: a) strength training with vertical vector improves the 30-meter sprint test and also the vertical jump; b) training program that affects the eccentric overload of the movement results in more improvements than traditional training with the same duration; c) training in the vertical vector also has an impact on the way force is manifested in the horizontal vector, showing improvements in the 30-meter sprint.

Efectos de seis semanas de entrenamiento isoinercial sobre la capacidad de salto, velocidad de carrera y equilibrio postural dinámico (Effects of six weeks of isoinertial training on vertical jump performance, running velocity, and dynamic postural balance)

“…Se ha reportado que una intervención de 6 semanas de entrenamiento isoinercial mejoró la capacidad de salto vertical, agilidad y precisión de remate del balón en futbolistas (Fiorilli et al, 2020). Similares resultados fueron reportados en basquetbolistas, quienes aumentaron la capacidad de salto vertical y el sprint de 30 metros luego de 8 semanas de intervención con entrenamiento excéntrico (Cabanillas et al, 2020). En un grupo de varones físicamente activos un entrenamiento isoinercial de 3 semanas, además de aumentar la fuerza, reveló aumentos significativos de la activación muscular (Buckthorpe et al, 2015).…”

Muscle Activation Sequence in Flywheel Squats

“…Flywheel inertial resistance exercise received attention in recent years due to its many positive effects on athletic performance variables (change of direction, jumping, and sprinting) [ 1 , 2 , 3 , 4 , 5 , 6 , 7 ] and injury prevention in sport [ 8 , 9 , 10 ]. Robust (large and rapid) improvements in muscle strength and power could be attributed to neurological adaptations [ 11 , 12 , 13 , 14 ], morphological adaptations [ 15 , 16 , 17 , 18 , 19 ], or the sum of both, depending on the duration of the training protocol [ 20 ] and, presumably, the magnitude of the (flywheel) FW load selected.…”

Assessment and Evaluation of Force–Velocity Variables in Flywheel Squats: Validity and Reliability of Force Plates, a Linear Encoder Sensor, and a Rotary Encoder Sensor

“…Flywheel (FW) inertial resistance training has gained attention in recent years due to all the positive acute [1,2] and short-term [3] neuromuscular performance effects, and long-term effects derived from FW training interventions on strength, power (P), performance-related variables [4][5][6][7][8][9][10][11], and clinical outcomes [12][13][14]. There are many different FW devices on the market, all of which follow the same principle-by accelerating and then consequently braking the mass moment of inertia (I) of the FW.…”