Bone Health
Conditions
Keywords
bone health, high school, diet, basketball, vitamin D, DXA, DEXA, nutrition, diet quality, energy intake
Brief summary
In a population of boys and girls high school basketball players, the primary objectives are to assess 1) bone mineral density and vitamin D status, and 2) energy intake and dietary quality. The secondary objectives are to assess 1) nutrients related to bone health (calcium, magnesium, vitamin K, protein) and 2) protein intake over the day. Data collection takes place pre-, mid-, and post-season.
Detailed description
This study will assess the dietary intake male and female 14-19 year old student athletes, specifically energy intake and dietary quality (i.e. how closely do their diets meet recommendations). Investigators hypothesize that vitamin D status will be suboptimal in most participants though bone density will be normal. Investigators hypothesize that participants will maintain energy balance over the course of the season (no significant changes to body mass or body composition) but dietary quality will not meet recommendations.
Interventions
DIAGNOSTIC_TESTVitamin D
Finger stick capillary blood sampling using test from ZRT Laboratories, Beaverton, OR
DIAGNOSTIC_TESTDXA scan
10 minute scan using scanner by GE Lunar, Madison, WI
OTHERNutrition analysis
Analysis of 24-h recalls will be conducted by a registered dietician using Nutritionist Pro software by Axxya Systems, Redmond, WA
Sponsors
PepsiCo Global R&D
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
14 Years to 19 Years
Healthy volunteers
Yes
Inclusion criteria
1. Females and males between the ages of 14-19 years old. 2. Non-smoker 3. Currently enrolled in the IMG basketball program. 4. Willing to fast overnight prior to testing. 5. Willing to do a finger stick for the Vitamin D assessment. 6. Able to give verbal and written informed consent for participation as well as obtain parental consent if \<18 years of age. 7. If an athlete would like to participate but English is not their first language, we will liaise with an interpreter on the IMG campus to inform him / her of the study protocol and procedures.
Exclusion criteria
1. Expulsion from school for any reason. 2. Leaving the IMG basketball program. 3. Pregnant or planning to become pregnant
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Dietary quality | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Diet quality that meets recommendations would be better. | 24 hour recall |
| Bone mineral density | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Normal whole body bone density would be better. | whole body |
| Energy intake | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Energy intake that meets recommendations would be better. | 24 hour recall |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Assess nutrients related to bone health (protein) | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Protein intake that meets recommendations would be better. | Protein intake via 24 hour recall |
| Protein intake over the day | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Looking at pattern of protein intake. | Times of day protein is consumed |
| Assess nutrients related to bone health (calcium) | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Calcium intake that meets recommendations would be better. | Calcium intake via 24 hour recall and calcium supplement, if any |
| Assess nutrients related to bone health (magnesium) | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Magnesium intake that meets recommendations would be better. | Magnesium intake via 24 hour recall and magnesium supplement, if any |
| Assess nutrients related to bone health (vitamin K) | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Vitamin K intake that meets recommendations would be better. | Vitamin K intake via 24 hour recall and vitamin K supplement, if any |
Other
| Measure | Time frame | Description |
|---|---|---|
| Height | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Better or worse direction not applicable. | Participants standing and seated height will be measured by electronic stadiometry to the nearest cm using QuickMedical stadiometer, Warwick, RI |
| Assess frequency of consuming carbohydrate during training | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). Looking at pattern of carbohydrate intake. | Carbohydrate intake via 24 hour recall |
| Assess current intake of supplements | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023) in consumption of supplements. Better or worse outcome not applicable. | Measure intake of supplements (pills, powders, gummies, etc.) via 24 hour recall and reported concomitant meds/supplements |
| Weight | Changes from basketball pre-season (October 2022) to mid-season (January 2023) to post-season (April 2023). No desired direction of change, expecting it to remain contstant. | Body weight scale accuracy to one tenth of a kilogram using a scale from data Weighing Systems, Wood Dale, IL |
Countries
United States
Outcome results
None listed