School of Exercise, Biomedical and Health Sciences

Professor John Cronin

PhD, BEd, MA, Dip High Performance Coaching, DipPE, DipTchg

• Muscle mechanics – force-velocity relationship, stretch-shorten cycle, etc.
• Modeling – best predictor models for improving assessment and training
• Strength and power development
• Equipment design for improved training specificity
• Improving functional and sporting performance e.g. the effect of vibration, instant transference, the role of warm-up and stretching, etc.
• Speed development –resisted and assisted speed development
• Movement competencies and athlete development

• AIS Strength and Power Working Group
• Physical Conditioning Accreditation and Quality Assurance – Sport and Exercise Science New Zealand
• Strength and Conditioning Advisor – NZAS-N
• Sport Science New Zealand level III accredited physical conditioning.
• Sport Science New Zealand level III accredited exercise physiology.
• Sport Science New Zealand level II accredited biomechanics.    
• Diploma High Performance Coaching (Canada)
• Level IV Accreditation – Rugby (Canada)
• Examiner for: Thesis students
• External reviewer for: New Zealand Coach Journal; Journal of Science and Medicine in Sport; Medicine and Science in Sport; Journal of Sports Science; Clinical Biomechanics, Journal of Applied Biomechanics, Medicine and Science in Sport and Exercise and, Sport Science New Zealand research grants

• Vibration and it’s effects on strength, power, speed, flexibility and, cycling and dance performance.
• Kinematics and kinetics of resisted sprint training
• The effects of static and dynamic stretching on muscle stiffness and functional performance.
• The role of maximal strength and load on initial power production for concentric and SSC activity.
• Explosive power development: a comparison of technique and training loads
• Velocity specificity, combination training and functional performance.
• Magnitude and decay of stretch induced enhancement on concentric performance.
• Relationship between strength qualities and motor skills associated with court performance.
• Effect of feedback on jump performance.
• Mechanical, hormonal and metabolic profiles of various resistance loading schemes.
• Time-motion analysis of touch rugby.
• Contrast therapy
• Eccentrics for rehabilitation and performance
• Readiness for training and the super-compensation curve
• Movement competencies and readiness for training

Cronin, J. and A. Blazevich (2009). Speed. Applied anatomy and biomechanics in sport. T. Ackland, B. Elliott and J. Bloomfield. Champaign, Illinois, Human Kinetics: 177-190.

Beaven, C. M., W. G. Hopkins, et al. (2008). "Dose effect of caffeine on testosterone and cortisol responses to resistance exercise." International Journal of Sport Nutrition and Exercise Metabolism 18: 131-141.

Brughelli, M. and J. Cronin (2008). "Preventing hamstring injuries in sport." Strength and Conditioning Journal 30(1): 55-64.

Brughelli, M. and J. Cronin (2008). "A review of research on the mechanical stiffness in running and jumping: methodology and implications." Scandinavian Journal of Medicine and Science in Sports 18(4): 417-426.

Brughelli, M. and J. Cronin (2008). "Influence of running velocity on vertical, leg, and joint stiffness: modelling and recommendations for future research." Sports Medicine 38(8): 647-657.

Crewther, B., J. Cronin, et al. (2008). "The salivary testosterone and cortisol responses to three loading schemes." Journal of Strength and Conditioning Research 22(1): 250-255.

Crewther, B. T., J. Cronin, et al. (2008). "The contribution of volume, technique, and load to single-repetition and total-repetition kinematics and kinetics in response to three loading schemes. ." Journal of Strength and Conditioning Research 22(6): 1908-1915.

Cronin, J., K. Hansen, et al. (2008). "Effects of weighted vests and sled towing on sprint kinematics." Sports Biomechanics 7(2): 160-172.

Cronin, J., M. Nash, et al. (2008). "The acute effects of hamstring stretching and vibration on dynamic knee joint range of motion and jump performance." Physical Therapy in Sport 9: 89-96.

Cronin, J. B., E. Bressel, et al. (2008). "Augmented feedback reduces ground reaction force in the landing phase of the volleyball spike jump." Journal of Sport Rehabilitation 17: 148-159.

Cronin, J., Jones, J. and Hagstrom, J. (2007). Kinematics and kinetics of the seated row and
implications for conditioning. Journal of Strength and Conditioning Research, 21(4), 1265-1270.

Cronin, J. B. and R. L. Templeton (2008). "Timing light height affects sprint times." Journal of Strength and Conditioning Research 22(1): 318-320.

Frost, D. M., J. B. Cronin, et al. (2008). "Stepping backwards can improve sprint performance over short distances." Journal of Strength and Conditioning Research 22(3): 918-922.

Frost, D. M., J. B. Cronin, et al. (2008). "Have we underestimated the kinematic and kinetic benefits of non-ballistic motion?" Sports Biomechanics 7(3): 372-385.

Harris, N. K., J. B. Cronin, et al. (2008). "Relationship between sprint times and the strength/power outputs of a machine squat-jump." Journal of Strength and Conditioning Research 22(3): 691-698.

Harris, N. K., J. B. Cronin, et al. (2008). "Squat jump training at maximal power loads vs. leavy Loads: effect on sprint ability." Journal of Strength and Conditioning Research 22(6): 1742-1749.

Harris, N., Cronin, J. and Hopkins, W. (2007). Power outputs of a machine jump-squat across a spectrum of loads. Journal of Strength and Conditioning Research, 21(4), 1260-1264.    

Holm, D., M. Stalbom, et al. (2008). "Relationship between the kinetics and kinematics of a unilateral horizontal drop jump to sprint performance." Journal of Strength and Conditioning Research 22(5): 1589-1596.

Kritz, M. and J. Cronin (2008). "Static posture assessment screen of athletes: benefits and considerations." Strength and Conditioning Journal 30(5): 18-27.

Meylan, C., J. Cronin, et al. (2008). "Isoinertial assessment of eccentric muscular strength." Strength and Conditioning Journal 30(2): 56-64.

Presswood, L., J. Cronin, et al. (2008). "Gluteus medius: applied anatomy, dysfunction, assessment and progressive functioning." Strength and Conditioning Journal 30(5): 41-53.

Sheppard, J. M., J. B. Cronin, et al. (2008). "Relative importance of strength, power, and anthropometric measures to jump performance of elite volleyball players." Journal of Strength and Conditioning Research 22(3): 758-765.