Nutritional Profiles in Middle-Aged Female Runners

Akik0 Itoh, Keiko Ishii, Mitsuru Higuchi, Shuhei Kobayashi, Kunie Oishi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Nutritional profiles in middle-aged trained and untrained women were compared both before and after menopause. Subjects were assigned to one of four groups: (1) pre-menopausal trained (Pre-T: n=14, aged 43±5 years, running distance 56±27 km/week, Vo2max 49±4 ml/ kg/min, mean±SD), (2) pre-menopausal untrained (Pre-UT: n=25, 42±5 years, 34±5 ml/kg/ min), (3) post-menopausal trained (Post-T: n=19, 53±3 years, 49±17 km/week, 42±6 ml/ kg/min), (4) post-menopausal untrained (Post-UT: n=26, 54±3 years, 31±3 ml/kg/min). There were no significant differences in hematocrit (range 38. 7 to 39.3%), hemoglobin (12.8 to 13.1 g/dl) and total protein (6. 9 to 7.1 mg/dl) among the four groups. Serum iron concentrations in the post-menopausal women (Post-T: 97±30 mg/dl, Post-UT:106±29, mg/dl) were relatively higher than in the pre-menopausals (Pre-T: 85±35 mg/dl, Pre-UT: 78±33 pg/dl). Mean total iron binding capacity in Post-UT (326 mg/dl) was lower than other groups (352 to 361 mg/dl). Higher serum ferritin levels were observed in the post-menopausal women (Post- T: 35.8±27.5 ng/ml, Post-UT: 60.4±47.1 mg/ml) than the pre-menopausals (Pre-T:18. 3± 13.1 mg/ml, Pre-UT:16.6±10. 7 mg/ml). Intake levels of the four groups with regard to the major nutrients were sufficient as compared with the recommended dietary allowance appropriate for age, sex and physical activity level. Intakes of calcium, iron and vitamins B., B2 and niacin were higher in the trained groups than in the untrained. Regularly performed endurance exercise resulted in higher protein and iron intakes ‘associated with higher energy intakes both before and after menopause. These results suggest that nutritional status of middle-aged women who regularly perform vigorous endurance running could be adequate for maintaining their health in a good state.

Original languageEnglish
Pages (from-to)190-199
Number of pages10
JournalJapanese Journal of Physical Fitness and Sports Medicine
Volume41
Issue number2
DOIs
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

Iron
Menopause
Running
Exercise
Recommended Dietary Allowances
Riboflavin
Niacin
Ferritins
Energy Intake
Nutritional Status
Serum
Hematocrit
Hemoglobins
Proteins
Calcium
Food
Health

Keywords

  • endurance running
  • middle-aged women
  • nutritional profile

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Nutritional Profiles in Middle-Aged Female Runners. / Itoh, Akik0; Ishii, Keiko; Higuchi, Mitsuru; Kobayashi, Shuhei; Oishi, Kunie.

In: Japanese Journal of Physical Fitness and Sports Medicine, Vol. 41, No. 2, 1992, p. 190-199.

Research output: Contribution to journalArticle

Itoh, Akik0 ; Ishii, Keiko ; Higuchi, Mitsuru ; Kobayashi, Shuhei ; Oishi, Kunie. / Nutritional Profiles in Middle-Aged Female Runners. In: Japanese Journal of Physical Fitness and Sports Medicine. 1992 ; Vol. 41, No. 2. pp. 190-199.
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