Abstract
The tactical and technical components of training become a primary emphasis, leaving less time for targeted development of physical qualities that underpin performance during the competition phase of a training program. A deemphasis on physical preparation during the in-season training phase may make athletes more susceptible to injury and decrease performance on the field. Two weeks prior to the start and one week following the conclusion of the 16-week collegiate lacrosse season, lower body force production was assessed in eight National Collegiate Athletic Association (NCAA) Division I Men’s Lacrosse athletes. Lower body force production capabilities were determined via the performance of countermovement jumps (CMJ) and drop jumps (DJ) performed on a force plate and isokinetic strength testing of the quadriceps and hamstring muscle groups across three velocities. Isokinetic strength of the hamstrings and the hamstring to quadriceps strength ratio were maintained or increased over the course of the competition phase of training. Relative peak force obtained from the CMJ and the reactive strength index from the DJ decreased significantly over the season. The maintenance of isokinetic strength and the decrease in CMJ and DJ performance may indicate the presence of neuromuscular fatigue that accumulated over the course of the season.
Highlights
Balancing athletic, academic, and social stressors during a collegiate competitive schedule presents a difficult programming scenario for coaches
Variables derived from the drop jumps (DJ) were jump height (JH) (ICC = 0.991; coefficient of variation (CV) = 2.5%), contact time (CT) (ICC = 0.997; CV = 4.3%), and RSI
As countermovement jumps (CMJ) height was maintained while peak force was significantly reduced, these findings indicate that the shape of the generated impulse was altered over the course of the season
Summary
Academic, and social stressors during a collegiate competitive schedule presents a difficult programming scenario for coaches. Monitoring changes in the physical qualities that underpin performance over the course of a competitive phase of a training program provides strength and conditioning coaches with valuable information about the effectiveness of their training prescription [1]. Several studies have investigated changes in physical qualities over the course of a competitive phase of training. In a professional sporting context, over the course of a. Similar results in professional sport have been reported in rugby league [2], cricket [3], and basketball [4]. Within the National Collegiate Athletic Association (NCAA)
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