Heavy exercise, nutrition and immune function: Is there a connection?

被引:56
作者
Shephard, RJ
Shek, PN
机构
[1] UNIV TORONTO, FAC MED, DEPT CLIN BIOCHEM, TORONTO, ON M5S 1A1, CANADA
[2] UNIV TORONTO, FAC MED, DEPT PREVENT MED & BIOSTAT, TORONTO, ON M5S 1A1, CANADA
[3] BROCK UNIV, DEF & CIVIL INST ENVIRONM MED, HLTH STUDIES PROGRAMME, ST CATHARINES, ON L2S 3A1, CANADA
关键词
amino acids; dieting; glycogen; muscle injury; overtraining; reactive species;
D O I
10.1055/s-2007-973043
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
Exercise participation can modulate interactions between nutritional status and immune function in at least three ways. Athletes and health conscious exercisers may occasionally adopt an unusual diet: megadoses of vitamins, large quantities of protein, carbohydrate or polyunsaturated fat, specific amino acid supplements, or an overall energy deficit. Prolonged exercise may also deplete glycogen reserves, leading to competition between the muscles and immune cells for key amino acids, Finally, an increased intake of antioxidants may protect the active person against an augmented production of reactive species associated with increased tissue metabolism and minor muscle injuries. Despite many potential mechanisms for a disturbance of immune function, most changes in nutritional status are short-lived, and there is little evidence that resistance to infection is reduced, with the possible exceptions of ultraendurance events, chronic over-training and drastic attempts to reduce body mass.
引用
收藏
页码:491 / 497
页数:7
相关论文
共 101 条
  • [11] GLUTAMINE AND THE IMMUNE-SYSTEM
    CALDER, PC
    [J]. CLINICAL NUTRITION, 1994, 13 (01) : 2 - 8
  • [12] Chandra R K, 1976, World Rev Nutr Diet, V25, P166
  • [13] CHANDRA RK, 1972, J PEDIATR-US, V81, P1194, DOI 10.1016/S0022-3476(72)80262-2
  • [14] 1990 MCCOLLUM AWARD LECTURE - NUTRITION AND IMMUNITY - LESSONS FROM THE PAST AND NEW INSIGHTS INTO THE FUTURE
    CHANDRA, RK
    [J]. AMERICAN JOURNAL OF CLINICAL NUTRITION, 1991, 53 (05) : 1087 - 1101
  • [15] DISCREPANCY BETWEEN ESTIMATED ENERGY-INTAKE AND REQUIREMENT IN FEMALE DANCERS
    DAHLSTROM, M
    JANSSON, E
    NORDEVANG, E
    KAIJSER, L
    [J]. CLINICAL PHYSIOLOGY, 1990, 10 (01): : 11 - 25
  • [16] DALY JM, 1990, CRIT CARE MED, V18, pS86
  • [17] DECOMBAZ J, 1993, MED SCI SPORT EXER, V25, P733
  • [18] EFFECTS OF ESSENTIAL FATTY-ACID DEFICIENCY, AND VARIOUS LEVELS OF DIETARY POLY-UNSATURATED FATTY-ACIDS, ON HUMORAL IMMUNITY IN MICE
    DEWILLE, JW
    FRAKER, PJ
    ROMSOS, DR
    [J]. JOURNAL OF NUTRITION, 1979, 109 (06) : 1018 - 1027
  • [19] DOLL M, 1994, DTSCH Z SPORTMED, V45, P404
  • [20] DO INVADING LEUKOCYTES CONTRIBUTE TO THE DECREASE IN GLUTATHIONE CONCENTRATIONS INDICATING OXIDATIVE STRESS IN EXERCISED MUSCLE, OR ARE THEY IMPORTANT FOR ITS RECOVERY
    DUARTE, JA
    CARVALHO, F
    BASTOS, ML
    SOARES, JMC
    APPELL, HJ
    [J]. EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY AND OCCUPATIONAL PHYSIOLOGY, 1994, 68 (01): : 48 - 53