Clinical trial NCT04503070: Motion Capture: Baseball Swing
Official title: The Kinetic and Kinematic Profile of the Upper Extremity During Progressive Phases of the Baseball Swing
Study type: OBSERVATIONAL
Overall status: COMPLETED
Conditions: Elbow Force
Lead sponsor: The Methodist Hospital Research Institute
Sponsor class: OTHER
First posted: 2020-08-06
Enrollment: 16
Sex: MALE
Minimum age (years): 16
Maximum age (years): 40
Standard ages: CHILD
ADULT
Accepts healthy volunteers: no
Observational model: CASE_ONLY
Time perspective: PROSPECTIVE
Sampling method: NON_PROBABILITY_SAMPLE
Study population: Collegiate baseball players

Brief summary: The aim of this study will be to assess kinetic and kinematic data during different phases of baseball hitting progressions commonly employed in the rehabilitation setting.

Detailed description: Study participants will undergo consent and history process. Subjects must meet inclusion and exclusion criteria prior to consent. Once consent is obtained, each subject will undergo instruction and training expectations of each swing phase. Once an adequate determination of proficiency has been met, each subject will undergo EMG and MOTUS sleeve placement on each upper extremity:

* Forearm flexors
* Forearm extensors
* Medial epicondyle
* Lateral epicondyle
* Posterior rotator cuff musculature

Once participants have undergone appropriate calibration processes, they will perform listed swing progressions in a randomized order:

A. Dry swings - reduced weight (wiffleball) bat - 5 swings light intensity (25-50% effort), 5 swings moderate intensity (50-75% effort), 5 swings high intensity (75-100% effort) B. Dry swings - normal weight bat - 5 swings light intensity (25-50% effort), 5 swings moderate intensity (50-75% effort), 5 swings high intensity (75-100% effort) C. Tee hitting - normal weight bat - middle strike zone level - 5 swings light intensity (25-50% effort), 5 swings moderate intensity (50-75% effort), 5 swings high intensity (75-100% effort) D. Soft toss - underhand toss from assistant - middle strike zone placement - 5 swings light intensity (25-50% effort), 5 swings moderate intensity (50-75% effort), 5 swings high intensity (75-100% effort) E. Simulated hitting - pitching machine - randomized strike zone placement - 5 swings light intensity (25-50% effort), 5 swings moderate intensity (50-75% effort), 5 swings high intensity (75-100% effort)

Eligibility criteria: Inclusion Criteria:

* Participants must be healthy volunteers who accept all provisions of the study and agree to complete the program in its entirety. Participants should have their own bat and relative experience of at least 2 years of hitting a baseball. Ages accepted will be 16-40.

Exclusion Criteria:

1. Previous history of upper extremity injury
2. Current painful dysfunction resulting in exercise or participation limitation
3. Any health-related exercise limitation as ordered by physician
4. Ages outside of 16-40
5. Inability to access clinic and equipment
6. Inexperience with baseball hitting or inability to follow instructions from study staff.

Primary outcomes:
measure: Force on the elbow
timeFrame: January 21 - 27, 2020
Secondary outcomes:
Other outcomes:
Locations:
city: Houston
country: United States
facility: Houston Methodist Hospital
state: Texas
Study officials:
affiliation: The Methodist Hospital Research Institute
name: Patrick McCulloch, MD
role: PRINCIPAL_INVESTIGATOR
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