Kinetic Analysis, Potentiation, and Fatigue During Vertical and Horizontal Plyometric Training: An In-Depth Investigation Into Session Volume.
Int J Sports Physiol Perform
; 19(2): 195-206, 2024 Feb 01.
Article
in En
| MEDLINE
| ID: mdl-38134897
ABSTRACT
Despite previous support for plyometric training, optimal dosing strategies remain unclear. PURPOSE:
To investigate vertical and horizontal jump kinetic performance following a low-volume plyometric stimulus with progressively increased session jump volume.METHODS:
Sixteen academy rugby players (20.0 [2.0] y; 103.0 [17.6] kg; 184.3 [5.5] cm) volunteered for this study. Vertical and horizontal jump sessions were conducted 1 week apart and consisted of a 40-jump low-volume plyometric stimulus using 4 exercises, after which volume was progressively increased to 200 jumps, using countermovement jump (CMJ) for vertical sessions and horizontal broad jump (HBJ) for horizontal sessions. Jump performance was assessed via force-plate analysis at baseline (PRE-0), following the low-volume plyometric stimulus (P-40), and every subsequent 10 jumps until the end of the session (P-50, P-60, P-70, ... P-200).RESULTS:
The low-volume stimulus was effective in potentiating HBJ (2% to 5%) but not CMJ (0% to -7%) performance (P < .001). The HBJ performance enhancements were maintained throughout the entire high-volume session, while CMJ realized small but significant decrements (-5% to -7%) in jump height P-50 to P-80 before recovering to presession values. Moreover, increases in eccentric impulse (5% to 24%; P < .001) in both sessions were associated with decreased or maintained concentric impulse, indicating a breakdown in performance-augmenting mechanisms and less effective power transfer concentrically after moderate volumes.CONCLUSION:
Practitioners should consider kinetic differences between HBJ and CMJ with increasing volume to better inform and understand session dosing strategies.Key words
Full text:
1
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Athletic Performance
/
Plyometric Exercise
Limits:
Humans
Language:
En
Journal:
Int J Sports Physiol Perform
Journal subject:
FISIOLOGIA
/
MEDICINA ESPORTIVA
Year:
2024
Document type:
Article
Affiliation country:
New Zealand
Country of publication:
United States