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| 題 名 | 等長肌力與最大攝氧量:肌力與有氧能力間之潛在關聯性=Isometric Muscular Strength and Maximal Oxygen Uptake: The Potential Relationship between Muscular Strength and Aerobic Capacity |
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| 作 者 | 楊云瑢; 吳禎明; 林晉宇; 陳著; 潘旗學; 鄭景峰; | 書刊名 | 體育學報 |
| 卷 期 | 58:4 2025.12[民114.12] |
| 頁 次 | 頁345-358 |
| 分類號 | 528.9012 |
| 關鍵詞 | 有氧能力; 爆發性肌力; 等長收縮; 下肢; 周邊疲勞; Aerobic capacity; Explosive strength; Isometric contraction; Lower limbs; Peripheral fatigue; |
| 語 文 | 中文(Chinese) |
| DOI | 10.6222/pej.202512_58(4).0004 |
| 中文摘要 | 緒論:最大攝氧量(maximal oxygen uptake, V̇O_2max)受運動時所涉及的肌群數量和疲勞進展影響。先前研究指出,較高的肌力(muscular strength)可能有助於增強抗疲勞(fatigue resistance)能力,這意味著,肌力可能對V̇O_2max有潛在影響。然而,當涉及相似肌群時,肌力與V̇O_2max之間的關係仍不明確。本研究旨在探討測驗中涉及相似肌群時,肌力與V̇O_2max之間的相關性。方法:40名健康男性大學生分別在不同天進行大腿中段等長上拉(isometric mid-thigh pull, IMTP)測驗,以及腳踏車遞增負荷測驗(graded exercise test, GXT)。在IMTP中,參與者被測量力量峰值(peak force, PF)、5秒平均力量(5-second mean force, MF)、最大發力率(maximal rate of force development, RFDmax),與0-30、0-90、0-150、0-200和0-250毫秒內的分段RFD。而GXT則測量V̇O_2max、最大心跳率(maximal heart rate, HRmax)和最大功率輸出(peak power output, Wpeak)。完成測驗後,以PF(1940 N)和MF(1938 N)的中位數(median),將參與者分為高肌力組(high muscular strength group, GHS_(PF); GHS_(MF))和低肌力組(low muscular strength group, GLS_(PF);GLS_(MF))。結果:整體數據顯示,PF與V̇O_2max(r = 0.32, R^2 = 0.10, p < .05),以及MF與V̇O_2max(r = 0.32, R^2 = 0.10, p < .05)之間皆存在顯著相關性。而所有RFD指標均與V̇O_2max無顯著相關性(p > .05)。關於肌力水準對GXT數據之影響,GHS_(PF)和GHS_(MF)之V̇O_2max(GHS_(PF) vs. GLS_(PF), 3.51 ± 0.41 vs. 3.19 ± 0.44 L/min, t = 2.44, p < .05; GHS_(MF) vs. GLS_(MF), 3.53 ± 0.41 vs. 3.17 ± 0.43 L/min, t = 2.74, p < .05)與Wpeak(GHS_(PF) vs. GLS_(PF), 228± 33 vs. 204 ± 28 W, t = 2.16, p < .05; GHS_(MF) vs. GLS_(MF), 229 ± 32 vs. 206 ± 28 W, t = 2.24, p< .05)皆分別顯著高於GLS_(PF)和GLS_(MF),而HRmax在GHS和GLS間無顯著差異(p> .05)。然而,在具有相似PF/MF的參與者中,V̇O_2max的差異可高達76%。結論:儘管肌力與V̇O_2max之間具相關性,但肌力僅解釋10%的V̇O_2max變異量。也就是說,即便運動所涉及的肌群相似,肌力可能不是決定V̇O_2max的關鍵因素。 |
| 英文摘要 | Introduction: Maximal oxygen uptake (V̇O_2max) is influenced by the amount of muscle group involved and the progression of fatigue during exercise. Previous studies suggested that greater muscular strength may enhance fatigue resistance, which could imply a potential influence on V̇O_2max. However, the relationship between muscular strength and V̇O_2max remains unclear, especially when similar muscles are involved. This study aimed to explore the correlation between muscular strength and V̇O_2max when similar muscle groups are engaged during testing. Methods: Forty healthy male college students completed isometric mid-thigh pull (IMTP) and cycling graded exercise test (GXT) on different days. In IMTP, participants' peak force (PF), 5-second mean force (MF), maximal rate of force development (RFD), and RFD within 0-30, 0-90, 0-150, 0-200, and 0-250 milliseconds during IMTP were measured. Meanwhile, V̇O_2max, maximal heart rate (HRmax), and peak power output (Wpeak) were collected during GXT. Participants were categorized into high (GHS_(PF) and GHS_(MF)) and low (GLS_(PF) and GLS_(MF)) muscular strength groups based on the median PF (1940 N) and MF (1938 N). Results: Significant relationships were found between PF and V̇O_2max (r = 0.32, R^2 = 0.10, p < .05), and between MF and V̇O_2max (r = 0.32, R^2 = 0.10, p < .05) in the pooled data. There was no significant relationship between V̇O_2max and any of RFD parameters (p > .05). Regarding the influence of muscular strength levels on GXT parameters, both V̇O_2max (GHS_(PF) vs. GLS_(PF), 3.51 ± 0.41 vs. 3.19 ± 0.44 L/min, t = 2.44, p < .05; GHS_(MF) vs. GLS_(MF), 3.53 ± 0.41 vs. 3.17 ± 0.43 L/min, t = 2.74, p < .05) and Wpeak (GHS_(PF) vs. GLS_(PF), 228 ± 33 vs. 204 ± 28 W, t = 2.16, p < .05; GHS_(MF) vs. GLS_(MF), 229 ± 32 vs. 206 ± 28 W, t = 2.24, p < .05) were significantly higher in GHSPF and GHSMF than those in GLS_(PF) and GLS_(MF), while there was no difference between GHS and GLS on HRmax (p >.05). However, a large variation in V̇O_2max (up to 76%) was observed among participants with similar PF/MF. Conclusion: Although muscular strength was significantly correlated with V̇O_2max, muscular strength explained only 10% of the variance in V̇O_2max. This suggests that even if the muscle groups involved in the exercise are similar, muscular strength might not be a key factor in determining V̇O_2max. |
本系統中英文摘要資訊取自各篇刊載內容。