The Effect of Consuming Either Dairy Milk, Plant-Based Protein Beverage, or Low-Protein Almond Beverage on Body Composition, Proximal Femur Geometry, and Muscular Strength in Adolescent Athletes
Bibliographic record
Abstract
We examined the effect of consuming 500mL of either 1% chocolate dairy milk, plant-based protein beverage, and low-protein almond beverage three times per week for six months on body composition, muscular strength, and proximal femur geometry in adolescents participating in sports. Participants (n=112; 79 males, 33 females; 14.2±1.5y; 166.9±10.4cm; 60.7±17.8kg) were randomized into dairy milk (n=36), plant-based protein beverage (n=39), or low-protein almond-beverage (n=37) groups. Body composition and proximal femur geometry were assessed by dual energy X-ray absorptiometry. Muscular strength was assessed by predicted maximal strength in the hack-squat and barbell bench-press. A 3 x 2 x 2 (group x sex x time) ANOVA with repeated measures was used to compare differences. Significance was accepted at p<.05. There were no group x time or group x sex x time interactions for body composition or muscular strength. Group x time interactions revealed greater increases in section modulus of the narrow part of the femoral neck (strength of bone in bending) in dairy milk and plant-based protein beverage groups compared to low protein almond-beverage (p<0.05) and greater increase in femoral shaft cortical thickness in the plant-based protein beverage group than the low-protein almond-beverage group (p<0.05). Group x sex x time interactions indicated females in the plant-based protein beverage group had smaller increase in narrow neck buckling ratio (susceptibility of bone to buckling under compression) than females in dairy milk and low-protein almond-beverage groups (p<0.05); males in the low-protein almond-beverage group increased inter-trochanteric subperiosteal width (predictive of increased fracture susceptibility) (p<0.05), and that inter-trochanteric section modulus (strength of bone in bending) increased in males in the plant-based protein beverage and low-protein almond-beverage groups (p<0.05). These findings highlight that dairy milk, and a protein-matched plant-based beverage have beneficial effects on geometric properties of bone at the hip compared to a low-protein almond-beverage and that there is no significant difference between beverage groups for body composition and muscular strength when protein intake is sufficient.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".