Utilizing the Trunk as a Proximal Lever to Strengthen the Hip Musculature and Alter Lower Extremity Function

Not Applicable

Completed

• Conditions: Patellofemoral Pain Syndrome
• Interventions: Other: Triplanar Rotary Resistance

• Registration Number: NCT03285464
• Lead Sponsor: High Point University

Brief Summary

Does a rotary based triplanar exercise intervention that utilizes the trunk as a proximal lever, strengthen the hip and alter dynamic LE alignment in running females?

Detailed Description

Current hip-focused programs fail to alter hip adduction angles in females while performing higher speed and more complex maneuvers such as running.

(Willy, et al., 2011) - 10 female runners, underwent 6 wk. hip focused intervention, change in SLS but NO change in hip adduction angle while running.

A different intervention strategy that includes utilizing the trunk as the proximal lever to strengthen the hip, could potentially alter biomechanical outcomes such as hip adduction angles in female runners.

This study will apply a new intervention model and then measure running, single leg squat and hip strength to determine if a newly informed intervention can alter LE kinematics in females while running and make improvements in hip strength following the intervention Inclusion Criteria

* 18 years old or greater

* Female Exclusion Criteria

* Injury of the lumbar spine, hips, knees or foot/ankle in the last 6mos that required medical attention

* any surgery of the lower back or the pelvis or lower extremities any time in the subjects life

Study Timeline

• Study Start: 2017-08-09
• Study First Submitted: 2017-09-12
• Study First Submitted QC: 2017-09-14
• Study First Posted: 2017-09-18
• Primary Completion: 2017-12-15
• Study Completion: 2017-12-15
• Status Verified: 2018-02
• Last Update Submitted: 2018-02-23
• Last Update Posted: 2018-02-26

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Female
• Target Recruitment: 32

Inclusion Criteria

• 18> year old female; must be able to run on the treadmill for 5-7 min and perform a single leg squat

Exclusion Criteria

• surgery to the LB or lower extremities Significant injury (seeking medical attention) to the LB or LEs in the last 6mos.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Trunk	Triplanar Rotary Resistance	This group will use the trunk as a lever to strengthen the hip
Hip	Triplanar Rotary Resistance	This group will perform a known hip strengthening program

Primary Outcome Measures

Name	Time	Method
Change in Hip Strength after a 12 week hip focused intervention	Baseline measures at initial data collection; repeat post intervention measures at 6wks	Isometric hand held dynamometer

Secondary Outcome Measures

Name	Time	Method
Biomechanical assessment of single leg squat	Baseline measures at initial data collection; repeat post intervention measures at 6wks	Subject squats on single leg and qualitative scoring is administered to determine the subjective amount of contralateral pelvic drop and femoral adduction to be described as dynamic knee valgus. The qualitative values will be binary in nature, whereas DKV is present or not.
Biomechanical Running Assessment	Baseline measures at initial data collection; repeat post intervention measures at 6wks	2/3D analysis of running gait following intervention; Utilizing both 3D/2D methods the measure of contralateral pelvic drop and the bisection of the patella will determine the amount of femoral adduction noted during running. The change in the femoral adduction angle after a 6 week intervention is the specific outcome measure to be obtained.

Trial Locations

Locations (1)

High Point University; 🇺🇸 High Point, North Carolina, United States