Improvement of Motor Tasks: Effects of Verbal Encouragement and Music

NCT06408155 | Completed

• 1 other identifier: DINOGMI-2024
• Study Type: interventional
• Target: 30
• Locations: 1 country
• Sites: 1

Brief Summary

This study employed a randomized crossover design to assess the impacts of three different experimental conditions-standard environment, music, and verbal encouragement-on performance in an isometric endurance task, with comparisons made between untrained and trained individuals. Interventions were spaced seven days apart. Measurements included muscle activity and fatigue, assessed via surface electromyography, and the duration of the task. The isometric endurance task required participants to maintain a 90° elbow flexion while holding a dumbbell in a supine grip, weighted to 80% of their one-repetition maximum, on the dominant side. During the task, participants were to keep their back and head against a vertical wall, stand with feet shoulder-width apart, and firmly on the ground. The dumbbell was held with the dominant arm, and the other arm was kept neutral by the side. It was crucial to avoid any rocking or movements that would ease maintaining the position. The test began when the bar was handed to the participant in the correct stance and concluded once the arm's angle deviated by more than five degrees from the start.

Conditions

Healthy

Keywords

motor recruitment; motivation; performance

Outcome Measures

Primary Outcomes (5)

• Duration of the task

  task duration expressed in seconds

  Through task completion, an average of sixty seconds

• Neuromuscular excitation of Biceps Brachii

  Amplitude of electromyography value (Root Mean Square in microvolt) measured for Biceps Brachii muscle

  Through task completion, an average of sixty seconds

• Neuromuscular excitation of Brachioradialis

  Amplitude of electromyography value (Root Mean Square in microvolt) measured for Brachioradialis muscle

  Through task completion, an average of sixty seconds

• Neuromuscular fatigue of Biceps Brachii

  Time-course evolution of the Median Frequency of the Power Density Spectrum (MF Hz) of the electromyography signal measured for biceps brachii muscle

  Through task completion, an average of sixty seconds

• Neuromuscular fatigue of Brachioradialis

  Time-course evolution of the Median Frequency of the Power Density Spectrum (MF Hz) of the electromyography signal measured for Brachioradialis muscle

  Through task completion, an average of sixty seconds

Study Arms (4)

Task with verbal encouragement

EXPERIMENTAL

Endurance isometric exercise performed with verbal encouragement

Other: Isometric Task

Task 1 without motivational feedback

ACTIVE COMPARATOR

Task without motivational feedback

Other: Isometric Task

Task with music

EXPERIMENTAL

Endurance isometric exercise performed with music

Other: Isometric Task

Task 2 without motivational feedback

ACTIVE COMPARATOR

Task without motivational feedback

Other: Isometric Task

Interventions

Isometric Task OTHER

The task demanded that participants maintain their arm bent at a 90° angle while holding a dumbbell, which weighed 80% of their one-repetition maximum (1RM), in a supine grip on the dominant side of their body for the longest time they could.

Task 1 without motivational feedback; Task 2 without motivational feedback; Task with music; Task with verbal encouragement

Eligibility Criteria

• Age: 25 Years - 40 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Good general health,
• No medical conditions that could interfere with their ability to perform the test safely and effectively.
• To be considered exercised, participants had to have performed 150 minutes per week of vigorous intensity aerobic physical activity, in addition to muscle strengthening activities, for at least two days per week. Those who did not meet this standard were considered untrained.

You may not qualify if:

• History of surgery on the arm, shoulder or adjacent areas that could limit the ability to perform the test.
• Use of medication that affects muscle function or pain perception

Sponsors & Collaborators

• Universita degli Studi di Genova: lead

Study Sites (1)

Università degli Studi di Genova

Genova, 16122, Italy

Location

Study Design

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

Study Record Dates

• First Submitted: May 6, 2024
• First Posted: May 9, 2024
• Study Start: April 13, 2024
• Primary Completion: June 1, 2024
• Study Completion: June 6, 2024
• Last Updated: June 7, 2024

Record last verified: 2024-06

Data Sharing

• IPD Sharing: Will share

Locations

IT (1)