Clinical trial NCT05764837: Effectiveness of Foam Rolling on Selected Muscle Groups on Jumping
Official title: The Immediate Effect of Posterior Chain Facilitation by Foam Rolling on Reactive Force Performance
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Hypertension
Keywords: SMR
plyometrics
jumps over hurdles
posterior myofascial chain
Lead sponsor: Charles University, Czech Republic
Sponsor class: OTHER
First posted: 2023-03-13
Enrollment: 15
Sex: FEMALE
Minimum age (years): 18
Maximum age (years): 30
Standard ages: ADULT
Accepts healthy volunteers: yes
Allocation: RANDOMIZED
Intervention model: CROSSOVER
Primary purpose: SCREENING

Brief summary: An experiment elucidating the immediate effect of foam rolling of the posterior chain on reactive force performance that will represent multiple jumps over low obstacles. The measurements will be performed using the Optojump device, which will provide data on the time of foot contact with the ground and the jump height. The angles of the torso inclination to the vertical will also be measured during jumping.

Detailed description: Fifteen women were selected for this experiment in the form of a randomized crossover study. Measurements were taken by leg jumps over 5 obstacles 125 cm apart. The pre-test was performed twice with a two-minute rest between each trial. Immediately after finishing the second trial, a randomly selected half of the probands performed posterior chain facilitation using a foam roller, facilitating first the left leg, then the right leg and finally spinal erectors. Rolling was performed with a sense of maximal intensity and at a high rolling speed across the full length and width of the muscle with both cranial and caudal rolling directions. Facilitation was performed on each muscle group in the distoproximal direction. Immediately following the intervention, a post-test was performed a total of 3 times, 1 minute after the intervention, 3 minutes after the intervention and 5 minutes after the intervention. The control measurement was performed the same way as the intervention, but the control group of probands rested in a resting sitting position for 4 minutes instead of foam rolling. After one week, a second measurement followed, where the original control group underwent the intervention measurement and vice versa.

The Optojump instrument (Microgate, Bolzano, Italy) was used to obtain the resistance and flight phase data. A video recording (GoPro HERO 9) was taken of the skipping procedure, from which photographs were taken over each obstacle at the moment of the greatest trunk tilt (the junction of the trochanter major and the external auditory canal exit) from the vertical axis.

Eligibility criteria: Inclusion Criteria:

* women
* age range 18-30 years
* regular training at least 3 times a week
* training with a minimum duration of 1.5 hours
* valid medical sports examination
* experience with jumping over hurdles
* having a problem with maintaining the physiological position of the torso when running

Exclusion Criteria:

* injuries
* acute illnesses
* chronic disease
* musculoskeletal limitations
* during convalescence

Primary outcomes:
measure: Angles of inclination of the fuselage to the vertical.
timeFrame: 45 minutes
Secondary outcomes:
measure: Foot to ground contact time.
timeFrame: 1 hour
measure: Jump height.
timeFrame: 45 min
Other outcomes:
Locations:
city: Praha
country: Czechia
facility: Charles University, Faculty of physical education and sport
Study officials:
affiliation: Charles University, Faculty of physical education and sport
name: Jitka Malá, PhDr, Ph.D.
role: PRINCIPAL_INVESTIGATOR
References: