An interventional study of Control HEP focusing on isometric gluteal activation and Experimental HEP focusing on isometric gluteal activation plus a movement retaining program in Movement, Abnormal and Lower Extremity Problem, sponsored by Louisiana State University Health Sciences Center Shreveport. Completed at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-08-27.
Sponsored by Louisiana State University Health Sciences Center Shreveport · Not applicable, Interventional, and Treatment
The purpose of this study is to determine if an isometric gluteal activation home exercise program (HEP) combined with a movement retraining program utilizing feedback cues produces significant changes in scores on the Forward Step-Down Test (FSDT) in healthy young adults with movement coordination impairments.
Aim 1: To determine if an isometric gluteal activation HEP with a movement retraining program with feedback cues produces significant changes on scores FSDT compared to the gluteal activation HEP alone.
Aim 2: To determine if an isometric gluteal activation HEP followed with a movement retraining program with feedback cues produces significant changes on category FSDT compared to gluteal activation HEP alone.
Aim 3: To determine if an isometric gluteal activation HEP with a movement retraining program with feedback cues produces changes in the peak activation of the gluteus medius (GMed) and gluteus maximus (GMax) during the FSDT compared to the gluteal activation HEP alone.
Aim 4: To determine if an isometric gluteal activation HEP with a movement retraining program with feedback cues produces changes in the mean activation of the GMed and GMax during the FSDT compared to the gluteal activation HEP alone.
Aim 5: To determine if HEP dose has an effect on the FSDT response, as measured by change in score on the FSDT.
Exclusion Criteria:
The Control group will receive an HEP focusing on isometric gluteal activation.
Other: Control HEP focusing on isometric gluteal activation
The Experimental group will receive an HEP focusing on isometric gluteal activation plus movement retraining program.
Other: Experimental HEP focusing on isometric gluteal activation plus a movement retaining program
All participants will receive the HEP for hip muscle activation training. The HEP for hip musculature activation consists of five isolated hip activation exercises including side-lying clams, side-lying clams with trunk activation via side-plank, side-lying hip abduction, side-lying hip abduction with trunk activation via side-plank, and fire hydrants all of which improve hip gluteal recruitment. After the 4th week, both groups are to return to the clinic and asked to briefly perform exercises from their HEP so that their form can be reassessed with any modifications if needed along with any questions that they may have. Each participant following the 8-week period will be scheduled to return to the clinic to turn in their compliance form and perform follow-up surface electromyography (sEMG), weight, and FSDT using the same procedures as before.
Only participants in the experimental group will receive the movement retraining program HEP. The HEP will be a combination of single leg Romanian Deadlift (RDL), single leg squat, and standing split squat that have been used in previous research and are proved to get significant gluteus medius (Gmed) activation. They will also participate in the gluteal activation HEP program that have been proved to increase hip musculature recruitment, as performed by the control group. After the 4th week, both groups are to return to the clinic and asked to briefly perform exercises from their HEP so that their form can be reassessed with any modifications if needed along with any questions that they may have. Each participant following the 8-week period will be scheduled to return to the clinic to turn in their compliance form and perform follow-ups sEMG, weight, and FSDT using the same procedures as before.
Forward Step-Down Test (FSDT)
Rating on the FSDT (0-6; 0-1 = good movement quality, 2-3 = moderate movement quality, 4 or more = poor movement quality).
Time frame: Baseline and after 8-week Home Exercise Program (HEP) intervention.
Peak Maximal Volitional Isometric Contraction (MVIC) on Gluteus Maximus (GMax).
Peak activation (percent of maximal volitional isometric contraction \[%MVIC\]) of GMax during performance of the FSDT
Time frame: Baseline and after 8-week HEP intervention.
Peak Maximal Volitional Isometric Contraction (MVIC) on Gluteus Medius (GMed).
Peak activation (%MVIC) of GMed during performance of the FSDT
Time frame: Baseline and after 8-week HEP intervention.
Mean Maximal Volitional Isometric Contraction (MVIC) on Gluteus Maximus (GMax).
Mean activation (% MVIC) of GMax during performance of the FSDT
Time frame: Baseline and after 8-week HEP intervention.
Mean Maximal Volitional Isometric Contraction (MVIC) on Gluteus Medius (GMed).
Mean activation (% MVIC) of GMed during performance of the FSDT
Time frame: Baseline and after 8-week HEP intervention.
HEP Compliance - Dose Response Relationship with FSDT and MVIC outcomes
Self-reported completion of each HEP session will be recorded by the participant and then returned to the investigators post-completion
Time frame: After 8-week intervention.
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Louisiana State University Health Sciences Center Shreveport