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Glenohumeral Rotation After Throwing: RCT Comparing the Sleeper Stretch to the 90/90 Hip Lift With Balloon Blow Exercise

NCT03091530 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2018-05-08

No results posted yet for this study

Summary

The primary purpose of this study is to determine if the loss of internal rotation following a throwing session is best restored through soft tissue stretching with the sleeper stretch or with scapular repositioning with the 90/90 hip lift with balloon blow exercise. This study will progress the body of research related to internal rotation deficits with regards to baseball throwers. The research will be relevant to clinicians who treat patients with baseball players with internal rotation loss.

High school baseball players will be the targeted subjects for this study. They will perform two exercises (one per week) designed to increase shoulder internal rotation over the course of three weeks with one week of rest between intervention weeks. The primary outcome will be shoulder internal rotation range of motion improvements over the course of one week's time. There are no known adverse risks to either intervention.

Conditions

  • Internal Rotation Contracture-shoulder

Interventions

OTHER

Sleeper Stretch

The sleeper stretch protocol will follow the process described by Wilk with the subject lying on his throwing shoulder side, with the lateral border of the scapula on the table, and the glenohumeral and elbow joints both at 90 degrees of flexion. Participants will be instructed to passively internally rotate the shoulder with gentle overpressure applied on the dorsum of the dominant arm wrist by the nondominant hand to the point of stretch on the posterior aspect of the shoulder. Stretches will be held for 20 seconds each and repeated 4 times for optimal sustained collagen elongation. This protocol will be performed on days 0-4 after the throwing session.

OTHER

90/90 Hip Lift with Balloon Blow Exercise

The 90/90 Hip Lift with Balloon Blow Exercise (BBE) will follow the guidelines described by the Postural Restoration Institute. The subjects will lie supine with hips and knees flexed to 90 degrees, the right arm flexed to end range and resting on the floor. Using the left arm to hold the balloon, subjects will inhale fully and exhale into a balloon while holding a posterior pelvic tilt. The subjects inhale and then exhale into the balloon fully, then hold their breath for 5 seconds while putting their tongue on the roof of their mouth.

Sponsors & Collaborators

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Model
CROSSOVER

Eligibility

Min Age
15 Years
Max Age
19 Years
Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2018-01-01
Primary Completion
2018-04-14
Completion
2018-04-14

Countries

  • United States

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03091530 on ClinicalTrials.gov