Effects of a Multi-Ingredient Pre-Workout on Performance, Perceptual Responses, Subjective Feelings of Energy and Muscular Contractile Properties, After a Resistance and Endurance Training Microcycle in Older Participants.
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Protein Deficiency
- Sponsor
- University of Greenwich
- Enrollment
- 16
- Locations
- 1
- Primary Endpoint
- Tensiomyography
- Status
- Completed
- Last Updated
- 5 years ago
Overview
Brief Summary
The investigation will be conducted as a double blinded, randomized, crossover within-participant comparison design with two 1-week intervention periods separated by 2-weeks for wash out, recovery, period.
Detailed Description
Following inclusion, familiarization and baseline assessments, the participants will be randomly allocated to receive either a multi-ingredient, pre-workout supplement (PREW) or maltodextrin (CHO). Thereafter, the participants will take a 5-day microcycle, involving three resistance training sessions (Monday, Wednesday and Friday) intercalated with two endurance training sessions (Tuesday and Thursday). After the first interventional microcycle, and the 2-week washout period, the participants will switch to the other nutritional condition for continuation with the second 5-day identical microcycle. Assessments of muscle contractile properties via Tensiomyography on Vastus Medialis, Biceps Femoris Long Head and Anterior Deltoids will be taken before and after each resistance training session. Measurements of strength (Isometric Mid Thigh Pull) upper and lower body muscular power (Medicine Ball Throw and Vertical Jump) will be performed immediately after each resistance training workout. The supplements will be ingested 15 min before each training session, just before completing an energy feeling questionnaire. In addition, the perceptual response to training will be assessed during and 20 min after the completion of all workouts. The contribution of carbohydrate and fat metabolism will be estimated using a gas analyzer via the calculation of respiratory exchange ratio the (RER) during each endurance training session.
Investigators
Fernando Naclerio
Principal Lecturer
University of Greenwich
Eligibility Criteria
Inclusion Criteria
- •Healthy (no current injuries).
- •Between 45 and 70 years old.
Exclusion Criteria
- •Injuries.
- •Never trained before.
- •Under 45 or over 70 years old.
Outcomes
Primary Outcomes
Tensiomyography
Time Frame: Changes from 10 minutes Previous to post 1 hour after the completion of each workout session
Fatigue and contractility assessment via Tensiomyography will be assessed in Biceps Femoris Long Head, Vastus Medialis, and Anterior Deltoid.
Maximal Mid-Thigh Pull Isometrical Strength
Time Frame: Changes from 10 minutes Previous to post 1 hour after the completion of each resistance training workout session
Maximal Strength (measured in kilograms).
Over Head Medicine Ball Throw
Time Frame: Changes from 10 minutes Previous to post 1 hour after the completion of each resistance training workout session
Medicine Ball Throw (measured in meters and centimeters).
Self Perceived Energy Feeling
Time Frame: Before every Training Session and up to 1 week of training.
All participants will fill a short questionnaire (from 1 to 5 points) about their perception of energy before every training. Energy Feeling will be assessed (Evergy level, Fatigue Level, Feeling of Alertness, and Feeling of Focus for the task, valued from 1 = low energy to 5 = high energy).
Vertical Jump
Time Frame: Changes from 10 minutes Previous to post 1 hour after the completion of each resistance training workout session
Flight Time (measured in seconds).
Secondary Outcomes
- Whole Body Perceptual Response during Resistance Training(Differences between first week and second week of training.)
- Perception of Effort during Endurance Training.(Differences between first week and second week of training)