Effects of a Pectoralis Minor Muscle Stretching Protocol

NCT01956240 | Completed Phase 4 Results

• 1 other identifier: 100/12
• Study Type: interventional
• Target: 97
• Locations: 1 country
• Sites: 1

Brief Summary

The purpose of this study is to verify the effects of a stretching protocol for the pectoralis minor muscle on its resting length and on the 3D kinematics of the scapula during arm flexion in asymptomatic subjects and patients with impingement syndrome with shortened pectoralis minor.

Conditions

Shoulder Pain

Keywords

shoulder; pectoralis minor; stretching; scapular kinematics

Outcome Measures

Primary Outcomes (1)

• Pectoralis Minor Length After Pectoralis Minor Stretching Protocol

  The change of the pectoralis minor muscle will be evaluated with a tape measure and electromagnetic device. The length of the muscle will be recorded in centimeters.

  6 weeks after stretching

Secondary Outcomes (1)

• Scapular Kinematics After Pectoralis Minor Stretching Protocol

  6 weeks of stretching

Study Arms (2)

Stretching-Asymptomatic subjects

EXPERIMENTAL

The stretching will be performed with the subject standing, with 90° of arm abduction and 90° of elbow flexion and palm on a flat planar surface. The subject then will place the leg opposite to the flat surface in front of the other with slight knee flexion and tilt the trunk forward like a rigid block and rotate it slightly increasing the horizontal abduction at the shoulder. This procedure will be done 4 times for 1 min and 30s interval between repetitions.

Procedure: Stretching-Asymptomatic subjects

Stretching-Subjects with shoulder pain

EXPERIMENTAL

The stretching will be performed with the subject standing, with 90° of arm abduction and 90° of elbow flexion and palm on a flat planar surface. The subject then will place the leg opposite to the flat surface in front of the other with slight knee flexion and tilt the trunk forward like a rigid block and rotate it slightly increasing the horizontal abduction at the shoulder. This procedure will be done 4 times for 1 min and 30s interval between repetitions.

Procedure: Stretching-Subjects with shoulder pain

Interventions

Stretching-Asymptomatic subjects PROCEDURE

The stretching will be performed with the subject standing, with 90° of arm abduction and 90° of elbow flexion and palm on a flat planar surface. The subject then will place the leg opposite to the flat surface in front of the other with slight knee flexion and tilt the trunk forward like a rigid block and rotate it slightly increasing the horizontal abduction at the shoulder. This procedure will be done 4 times for 1 min and 30s interval between repetitions.

Stretching-Asymptomatic subjects

Stretching-Subjects with shoulder pain PROCEDURE

The stretching will be performed with the subject standing, with 90° of arm abduction and 90° of elbow flexion and palm on a flat planar surface. The subject then will place the leg opposite to the flat surface in front of the other with slight knee flexion and tilt the trunk forward like a rigid block and rotate it slightly increasing the horizontal abduction at the shoulder. This procedure will be done 4 times for 1 min and 30s interval between repetitions.

Stretching-Subjects with shoulder pain

Eligibility Criteria

• Age: 18 Years - 45 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Asymptomatic subjects were included if they did not have any positive test for SIS.
• The subjects with shoulder pain were included if:
• they had history of shoulder, at least one week;
• years;
• range of motion \> 150° evaluated with digital inclinometer;
• one or more impingement tests positive - Neer (Neer, 1972), Hawkins (Hawkins and Kennedy, 1980) and Jobe (Jobe and Moynes, 1982) - associated with painful arc during arm elevation, or during external rotation with 90° of arm elevation;
• Individuals from both groups also had to present with shortened PM muscle length.

You may not qualify if:

• Individuals from both groups were excluded if they:
• BMI (body mass index) \> 28kg/m2;
• irradiated shoulder pain;
• scoliosis;
• history of shoulder pain with beginning traumatic;
• history of fracture or surgery in upper limb and rotator cuff;
• systemic illnesses;
• tape allergy;
• were pregnant;
• physiotherapy at least 6 months.

Sponsors & Collaborators

• Universidade Federal de Sao Carlos: lead
• Universidade Metodista de Piracicaba: collaborator

Study Sites (1)

UFSCar

São Carlos, São Paulo, 13565-905, Brazil

Location

MeSH Terms

Conditions

Shoulder Pain

Condition Hierarchy (Ancestors)

Arthralgia; Joint Diseases; Musculoskeletal Diseases; Pain; Neurologic Manifestations; Signs and Symptoms; Pathological Conditions, Signs and Symptoms

Limitations and Caveats

1. Participants may not have maximally elongated muscle; 2. Linear measurements such as that used to quantify muscle length cannot represent real structural changes; 3. Only chronic pain was evaluated.

Results Point of Contact

• Title: Ms Dayana Patricia Rosa
• Organization: Methodist University of Piracicaba

dad_rosa@hotmail.com

+55 16 3306-6696

Study Officials

• Dayana Rosa, PT

  UNIMEP

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: No
• Restrictive Agreement: No

Study Design

• Study Type: interventional
• Phase: phase 4
• Allocation: NON RANDOMIZED
• Masking: DOUBLE
• Who Masked: INVESTIGATOR, OUTCOMES ASSESSOR
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Universidade Federal de São Carlos

Study Record Dates

• First Submitted: September 21, 2013
• First Posted: October 8, 2013
• Study Start: June 1, 2013
• Primary Completion: August 1, 2013
• Study Completion: January 1, 2014
• Last Updated: May 19, 2015
• Results First Posted: February 12, 2015

Record last verified: 2015-05

Locations

BR (1)