Recovery Kinetics After Different Power Training Protocols (PTRecovery)

NCT04847427 | Completed

• 1 other identifier: Power training - Recovery
• Study Type: interventional
• Target: 10
• Locations: 1 country
• Sites: 1

Brief Summary

Muscle power is one of the most important parameters in almost every athletic action, expressing the ability of the human muscle to produce great amounts of force with the greatest possible speed. For enhancing their muscle power, athletes comprise several resistance training programs as part of their training. However, muscle power training comprises of eccentric muscle actions, which, especially when unaccustomed, can lead to exercise-induced muscle damage and deterioration of muscle performance. Nevertheless, despite the fact that muscle power training comprises eccentric muscle actions, and consequently can lead to muscle injury and muscle performance reduction during the following days, the recovery kinetics after acute muscle power training have not been adequately studied. However, information regarding the recovery of the muscles after a power training protocol, is critical for the correct design of a training microcycle, and the reduction of injury risk. The aim of the present study is to investigate the muscle injury provoked after acute muscle power training using three different power training exercise protocols. Additionally, the effect of these protocols on muscle performance and neuromuscular fatigue indices will be examined.

Conditions

Core Exercises Training; Structural Exercises Training; Accentuated Eccentric Exercises Training; Control Condition

Outcome Measures

Primary Outcomes (25)

• Change in CK in blood

  Creatine kinase will be measured in plasma using a biochemical analyzer

  Baseline (pre), 4 minutes post-, 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in delayed onset of muscle soreness (DOMS) in the knee flexors (KF) and extensors (KE) of both limbs

  Participants will perform three repetitions of a full squat movement, and rate their soreness level in knee flexors and extensors on a visual analog scale from 1 to 10 (VAS, with "no pain" at one end and "extremely sore" at the other), using palpation of the belly and the distal region of relaxed knee extensors and flexors.

  Baseline (pre), 4 minutes post-, 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in blood lactate

  Blood lactate will be measured in capillary blood with a hand-portable analyzer

  Baseline (pre), 4 minutes post-trial

• Change in squat jump height

  Squat jump height will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate, yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in ground reaction force (GRF) during squat jump test

  GRFwill be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate, yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in peak power during squat jump test

  Peak power will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate, yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in mean power during squat jump test

  Mean power will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate, yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in vertical stifness during squat jump test

  Vertical stifness will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate, yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in peak normalized EMG during the concentric phase of the squat jump test

  Electromyography data will be collected wirelessly at 2000Hz using a Myon MA-320 EMG system (Myon AG, Schwarzenberg, Switzerland) for the vastus lateralis, biceps femoris, gastrocnemius, and gluteus maximum muscles.

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in mean normalized EMG during the concentric phase of the squat jump test

  Electromyography data will be collected wirelessly at 2000Hz using a Myon MA-320 EMG system (Myon AG, Schwarzenberg, Switzerland) for the vastus lateralis, biceps femoris, gastrocnemius, and gluteus maximum muscles.

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in countermovement jump height

  Countermovement jump height will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in ground reaction force (GRF) during countermovement jump test

  Ground reaction force will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in peak power during countermovement jump test

  Peak power will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), post-, 24h post-, 48h post-, 72h post-trial

• Change in mean power during countermovement jump test

  Mean power will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in vertical stifness during countermovement jump test

  Vertical stifness will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in peak rate of force development during countermovement jump test

  Vertical stifness will be measured using two force platforms at 1000Hz, with each foot in parallel on the two platforms providing a seperate yet time-synchronized measurement of the jump height for each leg

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in peak normalized EMG during the eccentric and concentric phases of the countermovement jump test

  Electromyography data will be collected wirelessly at 2000Hz using a Myon MA-320 EMG system (Myon AG, Schwarzenberg, Switzerland) for the vastus lateralis, biceps femoris, gastrocnemius, and gluteus maximum muscles.

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in mean normalized EMG during the eccentric and concentric phases of the countermovement jump test

  Electromyography data will be collected wirelessly at 2000Hz using a Myon MA-320 EMG system (Myon AG, Schwarzenberg, Switzerland) for the vastus lateralis, biceps femoris, gastrocnemius, and gluteus maximum muscles.

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in concentric peak torque

  Concentric peak torque will be measured on an isokinetic dynamometer

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in eccentric peak torque

  Eccentric peak torque will be measured on an isokinetic dynamometer

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in isometric peak torque

  Eccentric peak torque will be measured on an isokinetic dynamometer

  Baseline (pre), 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in maximal voluntary isometric contraction (MVIC) during 10 seconds

  MVIC will be measured on an isokinetic dynamometer

  Baseline (pre), 1 hour post-, 2 hours post-, 3 hours post-, 24 hours post-, 48 hours post-, 72 hours post-trial

• Change in fatigue rate during maximal voluntary isometric contraction (MVIC)

  Fatigue rate during MVIC will be estimated through the percent drop of peak torque between the first and the last three seconds of a 10-second maximal isometric contaction

  Baseline (pre), 1 hour post-, 2 hours post-, 3 hours post-, 24 hours post-, 48 hours post-, 72 hours post-trial

• Differences in field activity between the three different power training protocols

  Field activity will be continuously recorded during the power training protocols using global positioning system (GPS) technology

  During each power training protocol

• Change in heart rate between the three different power training protocols

  Heart rate will be continuously recorded during during the power training protocols using heart rate monitors

  During each power training protocol

Secondary Outcomes (7)

• Body weight

  Baseline

• Body height

  Baseline

• Body mass index (BMI)

  Baseline

• Maximal oxygen consumption (VO2max)

  Baseline

• Body fat

  Baseline

Study Arms (4)

Core exercises training

EXPERIMENTAL

Participants will perform 4 core exercises

Other: Core exercises training

Structural exercises training

EXPERIMENTAL

Participants will perform 4 structural (Olympic lifting) exercises

Other: Structural exercises training

Accentuated eccentric exercises training

EXPERIMENTAL

Participants will perform 4 exercises with eccentric loading

Other: Accentuated eccentric exercises training

Control trial

EXPERIMENTAL

Participants will perform all the measurements that are comprised in the experimental conditions without performing any exercise protocol

Other: Control trial

Interventions

Core exercises training OTHER

Participants will perform: 1. Squats, 4 sets of 5 repetitions at 60% 1RM 2. Deadlifts, 4 sets of 5 repetitions at 60% 1RM 3. Lunges, 4 sets of 5 repetitions at 60% 1RM 4. Step ups, 4 sets of 5 repetitions at 60% 1RM

Core exercises training

Structural exercises training OTHER

Participants will perform: 1. Snatch, 4 sets of 5 repetitions at 60% 1RM 2. Hang clean, 4 sets of 5 repetitions at 60% 1RM 3. Push jerk, 4 sets of 5 repetitions at 60% 1RM 4. Split push jerk, 4 sets of 5 repetitions at 60% 1RM

Structural exercises training

Accentuated eccentric exercises training OTHER

Participants will perform: 1. Deadlifts - squat jump, 4 sets of 5 repetitions at 30% body mass (BM) 2. Step down - squat jump, 4 sets of 5 repetitions at 30% BM 3. Step down - lunges, 4 sets of 5 repetitions at 30% BM 4. Bulgarian squat jumps, 4 sets of 5 repetitions at 30% BM

Accentuated eccentric exercises training

Control trial OTHER

Participants will perform all the measurements that are comprised in the experimental conditions without performing any exercise protocol

Control trial

Eligibility Criteria

• Age: 18 Years - 30 Years
• Sex: male
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• At least 1 year experience in strength exercises
• Absense of musculoskeletal injuries (≥ 6 months)
• Abstence from use of ergogenic supplements or other drugs (≥ 1 month)
• Abstence from participation at exercise with eccentric component (≥ 3 days)
• Abstence from alcohol and energy drings consumption before each experimental trial

You may not qualify if:

• Less than 1 year experience in strength exercises
• Musculoskeletal injuries (≤ 6 months)
• Use of ergogenic supplements or other drugs (≤ 1 month)
• Participation at exercise with eccentric component (≤ 3 days)
• Alcohol and energy drings consumption before the experimental trials

Sponsors & Collaborators

• University of Thessaly: lead

Study Sites (1)

Chariklia K. Deli

Trikala, Thessaly, 42100, Greece

Location

Related Publications (7)

• Clarkson PM, Byrnes WC, McCormick KM, Turcotte LP, White JS. Muscle soreness and serum creatine kinase activity following isometric, eccentric, and concentric exercise. Int J Sports Med. 1986 Jun;7(3):152-5. doi: 10.1055/s-2008-1025753.

  PMID: 3733311 BACKGROUND

• Deli CK, Fatouros IG, Paschalis V, Georgakouli K, Zalavras A, Avloniti A, Koutedakis Y, Jamurtas AZ. A Comparison of Exercise-Induced Muscle Damage Following Maximal Eccentric Contractions in Men and Boys. Pediatr Exerc Sci. 2017 Aug;29(3):316-325. doi: 10.1123/pes.2016-0185. Epub 2017 Feb 6.

  PMID: 28165870 BACKGROUND

• Kyrolainen H, Avela J, McBride JM, Koskinen S, Andersen JL, Sipila S, Takala TE, Komi PV. Effects of power training on muscle structure and neuromuscular performance. Scand J Med Sci Sports. 2005 Feb;15(1):58-64. doi: 10.1111/j.1600-0838.2004.00390.x.

  PMID: 15679573 BACKGROUND

• Ispirlidis I, Fatouros IG, Jamurtas AZ, Nikolaidis MG, Michailidis I, Douroudos I, Margonis K, Chatzinikolaou A, Kalistratos E, Katrabasas I, Alexiou V, Taxildaris K. Time-course of changes in inflammatory and performance responses following a soccer game. Clin J Sport Med. 2008 Sep;18(5):423-31. doi: 10.1097/JSM.0b013e3181818e0b.

  PMID: 18806550 BACKGROUND

• Hughes JD, Massiah RG, Clarke RD. The Potentiating Effect of an Accentuated Eccentric Load on Countermovement Jump Performance. J Strength Cond Res. 2016 Dec;30(12):3450-3455. doi: 10.1519/JSC.0000000000001455.

  PMID: 27100315 BACKGROUND

• Cormie P, McCaulley GO, Triplett NT, McBride JM. Optimal loading for maximal power output during lower-body resistance exercises. Med Sci Sports Exerc. 2007 Feb;39(2):340-9. doi: 10.1249/01.mss.0000246993.71599.bf.

  PMID: 17277599 BACKGROUND

• Walker S, Blazevich AJ, Haff GG, Tufano JJ, Newton RU, Hakkinen K. Greater Strength Gains after Training with Accentuated Eccentric than Traditional Isoinertial Loads in Already Strength-Trained Men. Front Physiol. 2016 Apr 27;7:149. doi: 10.3389/fphys.2016.00149. eCollection 2016.

  PMID: 27199764 BACKGROUND

Study Officials

• Chariklia K Deli, PhD

  Department of Physical Education and Sport Science, University of Thessaly

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: NONE
• Purpose: SCREENING
• Intervention Model: CROSSOVER
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Assistant Professor

Study Record Dates

• First Submitted: February 10, 2021
• First Posted: April 19, 2021
• Study Start: April 20, 2021
• Primary Completion: November 30, 2021
• Study Completion: November 30, 2021
• Last Updated: February 18, 2022

Record last verified: 2022-02

Data Sharing

• IPD Sharing: Will not share

Locations

GR (1)