It is time to catch up with 2019 NSCA Assistant Strength and Conditioning Coach of the Year, Ashley Jackson, on her recent career move from the University of Michigan to Texas A&M, as the Assistant Director of Olympic Strength and Conditioning. Jackson talks with NSCA Coaching and Sport Science Program Manager, Eric McMahon, about leadership pathways for coaches and how to gain professional opportunities, from mentorship to earning promotions and taking the next step in your career. This episode explains the importance of the assistant strength and conditioning coach role, not only as a career stepping-stone, but also as an opportunity to practice being both an effective leader and follower. Tune-in and learn more about how you can gain valuable leadership experience, regardless of your current career stage, through involvement with the NSCA. Use this link to look up NSCA Contributor Opportunities and get involved! You can connect with Ashley on Twitter @txstronger| Find Eric on Instagram: @ericmcmahoncscs or Twitter: @ericmcmahoncscs

No matter what the ready position is, sooner or later the weight transfers to one leg, JC Santana says in this hands-on lecture from the 2014 Personal Trainers Conference. Everything we do is one leg at a time, and the way to become better on two legs is to train on one legs. JC walks participants through exercises designed to train on one leg.

Squash demands speed, strength, and control at the edge of human range — but still suffers from a massive stigma around heavy lifting and underuse of strength and conditioning. Brigita Roemer is leading the shift as Director of Strength and Conditioning for U.S. Squash, where she oversees all off-court physical development. After suffering a devastating injury as a track and field athlete, she discovered strength and conditioning when a biomechanics team “put [her] back together,” setting her on a linear path in the profession. Assigned to a sport she had never heard of before, Roemer began by emphasizing injury risk reduction, full range of motion, and “strength at length” to meet squash’s extreme movement and deceleration demands. With frequent connective tissue injuries like sprains and strains, athlete availability remains a top concern. By prioritizing continuing education and building relationships, Roemer has helped U.S. Squash make history — on the path to LA 2028. Connect with Brigita on Instagram: @brigey_lux | Find Eric on Instagram: @ericmcmahoncscs and LinkedIn: @ericmcmahoncscs Elite strength and conditioning pros like Brigita Roemer rely on NSCA events to stay sharp, grounded, and connected. Join them at the 2025 NSCA National Conference (NSCACon) this July 16–19 in Kansas City, MO.

Regarded as a sport science advocate in Major League Soccer (MLS), follow David Tenney’s journey from sport coach to High Performance Director at Austin Football Club (FC). Tenney and NSCA Coaching and Sport Science Program Manager Eric McMahon begin by discussing increases in MLS staff and embracing the overlap between coaching and performance science staff. Tenney reflects on how experienced coaches often evolve toward mentorship, finding balance between “leader” and “practitioner.” The pair examine the new MLS-mandated performance scientist position, which requires the Certified Performance and Sport Scientist® (CPSS®) credential. Created to standardize the role and responsibilities, MLS performance scientists leverage data from GPS and force plates into effective and ethical takeaways. As President of the emerging Professional Soccer Performance Association (PSPA), Tenney shares his goals to create a network, gain representation, and increase credibility. Tenney and McMahon also explore the robust MLS developmental pipeline, interviewing strategy, and early career advice. Connect with David on Twitter/X: @davetenney or LinkedIn: @david-tenney | Find Eric on Instagram: @ericmcmahoncscs or LinkedIn: @ericmcmahoncscs For a deeper look into sport science, explore career trends and how to leverage the CPSS certification into new career opportunities. Discover your next job or internship on the NSCA Job Board. This episode discusses David Tenney’s PhD dissertation, An Exploration of the Leadership Competencies Required for High-Performance Directors in North American Professional Sports Organizations, which includes interviews with NFL, NBA, MLB, NHL, and MLS leaders.

Nick Clayton, Personal Training Manager at the NSCA, shows key coaching points and progressions for single-leg squat and lunge movements.

Learn optimal plyometric setup, execution, and landing mechanics to maximize power output and to best prepare the joint structures to tolerate greater stresses later in training. In this session from the NSCA’s 2016 TSAC Annual Training, Loren Landow explains progressions based on competency and ability, from low-amplitude, bilateral jumps to single-leg deceleration drills.

This article in NSCA Coach shares exercise science comparisons between photobiomodulation therapy and cryotherapy. Visit us online to learn more on muscle recovery and red light therapy.

Learn optimal setup, execution, and landing mechanics to maximize power output and to best prepare the joint structures to tolerate greater stresses later in training. In this session from the NSCA 2016 TSAC Annual Training, Loren Landow identifies progressions based on competency and ability—from low amplitude, bilateral jumps to single-leg deceleration drills.

Interlimb asymmetries have been recently investigated in athletic populations. However, the effects of training interventions on interlimb asymmetries have been scarcely examined. Therefore, the aim of this study was to determine the effects of training interventions on changes in interlimb asymmetries from pre- to post-training. Furthermore, to examine the effects of training programs on intervention groups compared with control groups. A database search was completed (MEDLINE, CINAHL, and SPORTDiscus). Eight studies were then included in the meta-analysis. Results showed small reductions in interlimb asymmetries in single-leg broad jump (SLBJ) and change of direction (COD) speed from pre- to post-training interventions, whereas moderate effects were found in single-leg countermovement jump (SLCMJ) and SL lateral jump. When comparing the training interventions with the control groups, results showed small effects in favor of the training groups for reducing interlimb asymmetries in SLBJ and large effects in SLCMJ and COD speed. Thus, training interventions can evoke small to moderate reductions in interlimb asymmetries from pre- to post-training programs. Strength training performed unilaterally or bilaterally may elicit these reductions. Furthermore, training interventions showed larger effects compared with the control groups in reducing interlimb asymmetries. However, further research is needed.

This article highlights the scientific evidence on exercises like the seated leg extension, leg curl, and adduction machines to highlight their potential benefits on enhanced performance and potentially reducing injury risk.