Seasonal variations in vitamin D do not change the musculoskeletal health of physically active ambulatory men with cerebral palsy: a longitudinal cross-sectional comparison study.

What Was Tested

Researchers studied Vitamin D, K2, Magnesium and Zinc in this observational study publication.

A longitudinal observational study in 16 ambulant men with CP aged 21.0 ± 1.3 years and 16 healthy, physical activity matched, typically developed controls aged 25.4 ± 2.6 years, completed assessments of serum 25(OH)D and parathyroid hormone during winter and summer.

Neuromuscular outcomes included vastus lateralis size, knee extensor strength, 10-m sprint, vertical jumps, and grip strength.

Who Took Part

According to the abstract, 16 men were involved.

PubMed tags the participants as men only.

What Was Measured

A longitudinal observational study in 16 ambulant men with CP aged 21.0 ± 1.3 years and 16 healthy, physical activity matched, typically developed controls aged 25.4 ± 2.6 years, completed assessments of serum 25(OH)D and parathyroid hormone during winter and summer.

Neuromuscular outcomes included vastus lateralis size, knee extensor strength, 10-m sprint, vertical jumps, and grip strength.

The subject headings attached to it are Seasons, Cross-Sectional Studies, Cerebral Palsy, Vitamin D, Vitamins and Vitamin D Deficiency.

Author keywords: 25(OH)D, Bone, Muscle function, Neuromuscular, Strength and Sun exposure.

What This Means in Plain Language

This is an observational study of Vitamin D, K2, Magnesium and Zinc in 16 men.

With fewer than 40 people, it is a small study, so it is better read as an early signal for further research than as a settled answer.

The publication is from 2023 (Nutrition research (New York, N.Y.)), a journal based in United States.

More context: the Vitamin D, K2, Magnesium and Zinc compound page, all human trials.