Cardiorespiratory Responses to an Acute Bout of High Intensity Interval Training and Moderate Intensity Continuous Training on a Recumbent Handcycle in People With Spinal Cord Injury: A Within-Subject Design.

IF 2.4 Q1 REHABILITATION Topics in Spinal Cord Injury Rehabilitation Pub Date : 2023-01-01 Epub Date: 2023-12-01 DOI:10.46292/sci23-00026

Joseph Peters, Kellie Halloran, Michael Focht, Kathryn Huang, Mariana Kersh, Ian Rice

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Abstract

Objectives: To compare acute cardiorespiratory responses during high intensity interval training (HIIT) and moderate intensity continuous training (MICT) on a recumbent handcycle in persons with spinal cord injury (PwSCI).

Methods: Eleven males and nine females with chronic SCI (T3 - L5), aged 23 (9) years, participated in this within-subject design. Based off peak power outputs from an incremental test to exhaustion, participants engaged in a HIIT and MICT session at matched workloads on a recumbent handcycle. Workloads (Joules), time, oxygen uptake (VO₂), metabolic equivalent of task (MET), heart rate (HR), and energy expenditure (kcal) were recorded during HIIT and MICT.

Results: Total workload was similar across HIIT (87820 ± 24021 Joules) and MICT sessions (89044 ± 23696 Joules; p > .05). HIIT (20.00 [.03] minutes) was shorter in duration than MICT (23.20 [2.56]; p < .01). Average VO₂ (20.96 ± 4.84 vs. 129.38 ± 19.13 mL/kg/min O₂), MET (7.54 ± 2.00 vs. 6.21 ± 1.25), and HR (146.26 ± 13.80 vs. 129.38 ± 19.13 beats per minute) responses were significantly greater during HIIT than MICT (p < .01). Participants burned significantly more kilocalories during HIIT (128.08 ± 35.65) than MICT (118.93 ± 29.58; p < .01) and at a faster rate (6.40 ± 1.78 [HIIT] vs. 5.09 ± 1.14 [MICT] kcal/min; p < .01).

Conclusion: HIIT elicits greater increases in oxygen uptake and HR than MICT in PwSCI. In significantly less time, HIIT also burned more calories than MICT.

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脊髓损伤患者在卧姿手扶自行车上进行高强度间歇训练和中等强度持续训练后的心肺反应：受试者内设计

目的比较脊髓损伤患者在进行高强度间歇训练（HIIT）和中等强度持续训练（MICT）时的急性心肺反应：11 名男性和 9 名女性慢性脊髓损伤患者（T3 - L5）参加了此次受试者内设计，他们的年龄为 23（9）岁。根据增量测试到力竭时的峰值功率输出，参与者在哑铃手摇自行车上以匹配的工作负荷进行 HIIT 和 MICT 训练。记录了 HIIT 和 MICT 期间的工作量（焦耳）、时间、摄氧量（VO2）、任务代谢当量（MET）、心率（HR）和能量消耗（千卡）：结果：HIIT（87820 ± 24021 焦耳）和 MICT（89044 ± 23696 焦耳；P > .05）的总工作量相似。HIIT（20.00[.03]分钟）的持续时间比MICT（23.20[2.56]分钟；P < .01）短。HIIT 期间的平均 VO2（20.96 ± 4.84 vs. 129.38 ± 19.13 mL/kg/min O2）、MET（7.54 ± 2.00 vs. 6.21 ± 1.25）和心率（146.26 ± 13.80 vs. 129.38 ± 19.13 次/分钟）反应明显高于 MICT（p < .01）。参与者在 HIIT（128.08 ± 35.65）期间消耗的热量明显高于 MICT（118.93 ± 29.58；p < .01），而且消耗速度更快（6.40 ± 1.78 [HIIT] vs. 5.09 ± 1.14 [MICT] kcal/min；p < .01）：结论：在慢性阻塞性肺疾病患者中，HIIT 比 MICT 更能提高摄氧量和心率。结论：与 MICT 相比，HIIT 在更短的时间内消耗更多的卡路里。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Topics in Spinal Cord Injury Rehabilitation REHABILITATION-

CiteScore

3.20

自引率

3.40%

发文量

期刊介绍： Now in our 22nd year as the leading interdisciplinary journal of SCI rehabilitation techniques and care. TSCIR is peer-reviewed, practical, and features one key topic per issue. Published topics include: mobility, sexuality, genitourinary, functional assessment, skin care, psychosocial, high tetraplegia, physical activity, pediatric, FES, sci/tbi, electronic medicine, orthotics, secondary conditions, research, aging, legal issues, women & sci, pain, environmental effects, life care planning