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Completed

NCT Number: NCT06226974

Acute Effects of Static Stretching on the Shoulder Joint Position Sense of Overhead Athletes

The purpose of the study is to investigate the acute effects of static stretching on the shoulder joint position sense of overhead athletes.

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Key information

Conditions

Healthy

Age range

18 year–30 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Escola Superior Saúde Fernando Pessoa

Porto, 4200-253, Portugal

About this study

A crossover randomized controlled trial will be conducted with 17 overhead athletes (9 males and 8 females). All of them will perform the 3 study conditions in random order: a control (5-minute rest), and static stretching of 30 or 90 seconds of muscles around the shoulder. The shoulder joint position sense will be assessed before and immediately after these conditions, and tested by active repositioning for the range of 110º of flexion, with a video camera. Absolute, relative and variable angular errors will be calculated.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects aged between 18 and 30 years
  • Competitive overhead athletes (basketball, handball, volleyball, swimming)
  • Normal range of motion of flexion of the shoulder

Exclusion criteria

  • History of injury of the shoulder joint in the previous 6 months
  • Positive shoulder joint integrity tests (anterior drawer; fulcrum test; Jerk test; and sulcus sign)

Treatment and study plan

Static Stretching

Other
  • Shoulder extension - shoulder extension with the hand resting on a door;
  • Doorway stretch - horizontal abduction with the shoulder in 90º of abduction, the elbow in 90º of flexion and the forearm leaning against a door;
  • Shoulder flexion - arms above the head against a wall;
  • Cross-body stretch - maximal horizontal adduction of the arm, with the opposite hand holding the stretch;
  • Overhead triceps - arm above the head and elbow flexed, with the other hand pulling the elbow;
  • Internal Rotation 90° stretch - with the shoulder at 90º of flexion and the elbow at 90º of flexion, the opposite hand and forearm forces the internal rotation.

Primary outcomes

  1. Absolute angular error

    Time frame: Change from Baseline (Before) to Immediately after interventions or control (After)

    The absolute value of the difference between the target range and the achieved range

  2. Relative angular error

    Time frame: Change from Baseline (Before) to Immediately after interventions or control (After)

    The arithmetic difference between the target range and the range achieved

  3. Variable angular error

    Time frame: Change from Baseline (Before) to Immediately after interventions or control (After)

    The standard deviation of the 3 repositionings

Sponsors and collaborators

Lead sponsor

University Fernando Pessoa

Other

Registry information

Official study title

Acute Effects of Static Stretching on the Shoulder Joint Position Sense of Overhead Athletes: a Randomized Crossover Trial

Important dates

Study start
2023
Primary completion
2024
Study completion
2024
First posted
Jan 26, 2024
Registry last updated
Feb 21, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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