Earticle

초록

영어

This study examined the process of forest hiking (FH) through skeletal muscle oxygen saturation (SmO2) and investigated subsequent chang-es in muscle function, erythrocytes, and immunocytes. A total of 60 par-ticipants who their ages, heights, and weights of 73.05±3.23 years, 1.63±0.06 m, and 67.75±9.22 kg. They resided in two living communities, and were assigned to the control (CON, n=30) group, whereas those from the other were allocated to the FH (n=30) group. The intervention consisted of a hiking program performed for 120 min per day, twice per week, over a 4-week period. The degree of oxygen utilization in muscles during the hiking was monitored by measuring SmO2 in the vastus later-alis (VL). During hiking, SmO2 levels in the FH group progressively de-clined, reaching a nadir between 60 and 90 min, followed by partial re-covery. After the intervention, the FH group showed pronounced im-provements in contraction time in the VL than in the biceps femoris (BF), while maximum displacement improved in both the VL and BF (P<0.05). Among erythrocytes parameters, significant interaction effects were observed for hematocrit, mean corpuscular volume, and mean corpus-cular hemoglobin concentration (P<0.05). In addition, significant inter-action effects were found in immunocytes (P<0.01). This study demon-strated that SmO2 can be effectively measured during FH and confirmed that a 4-week hiking induced marked improvements not only in muscle function but also in erythrocytes and immunocytes in older adults.

목차

Abstract
INTRODUCTION
MATERIALS AND METHODS
Study design
Participants
FH intervention
Muscle SmO2 and VO2max measures
Demographic data and daily dietary/activity measures
Body composition measure
Thigh muscle function measure
Blood biomarkers measures
Statistical analysis
RESULTS
Demographic characteristics
Differences and changes in daily calorie input/output and body composition
Differences and changes in muscle’ contractility in TMG
Differences and changes in erythrocytes factors
Differences and changes in leukocytes’ subtypes
DISCUSSION
CONFLICT OF INTEREST
ACKNOWLEDGMENTS
REFERENCES

키워드

저자

• Sang-Geun Jo [ Research Institute of Sports and Industry Science, Hanseo University/Department of Physical Education, Graduate School of Hanseo University, Seosan, Korea ]
• Dong-Hyun Yoo [ Research Institute of Sports and Industry Science, Hanseo University/Department of Physical Education, Graduate School of Hanseo University, Seosan, Korea ]
• Yong-Seok Jee [ Research Institute of Sports and Industry Science, Hanseo University/Department of Physical Education, Graduate School of Hanseo University, Seosan, Korea ] Corresponding Author

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  JER [Journal of Exercise Rehabilitation]

• 간기

  격월간

• pISSN

  2288-176X

• eISSN

  2288-1778

• 수록기간

  2013~2026

• 등재여부

  SCOPUS,KCI 등재

• 십진분류

  KDC 517 DDC 613