BACKGROUND: The aim of this manuscript is to investigate if stretching exercise administration order may influence outcomes pertinent to range of movement (roM). METHODS: A total sample of 108 participants was randomized into five groups. Eight sets of unilateral static stretching (SS) of 30s duration each with a 30s rest were administered to the right leg. One group underwent SS of the knee extensors (KE), another to the knee flexors (KF), another first to the KE and then to the KF, another first to the KF and then to the KE while the last group was used as control (CG). Each group was assessed for roM of both lower limbs for either the Ke and Kf motion (passive hip extention [phe] and passive straight leg raise [pSlr], respectively). Measures were assessed before (T0), immediately after (T1), and 15 minutes after the intervention (T2). reSulTS: No differences were observed for time (T0 vs. T1 vs. T2) for all measures in the cG for both limbs. Time-x-group interactions were observed only in the intervention limb (P<0.0007 and 0.004, ES 0.73 and 0.55, for KE and KF, respectively). Within the intervention limb, a significant increase in the PHE was observed from T0 to T1 only in the KE and KF/KE groups. For measures of the PSLR, a significant increase was observed from T0 to T1 only in the KF and KE/KF groups. No differences neither for time or group were observed in the control limb. CONCLUSIONS: Our results highlight that exercise administration order has an effect on ROM outcomes. Measures of ROM significantly increase only for the last stretched muscle in each intervention group. No crossover effect was observed in the contralateral limb. (Cite this article as: Thomas E, Scardina A, Nakamura M, Bellafiore M, Bianco A. Acute effects of different administration order of stretching exercises: effects on range of motion and cross-over effect. J Sports Med Phys Fitness 2024;64:95-102. DOI: 10.23736/S0022-4707.23.15289-3).
Thomas E., ScardiNa A., NaKaMura M., Bellafiore M., BiaNco A. (2024). acute effects of different administration order of stretching exercises: effects on range of motion and cross-over effect. JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS, 64(2), 95-102 [10.23736/S0022-4707.23.15289-3].
acute effects of different administration order of stretching exercises: effects on range of motion and cross-over effect
Thomas E.
;ScardiNa A.;Bellafiore M.;BiaNco A.
2024-01-01
Abstract
BACKGROUND: The aim of this manuscript is to investigate if stretching exercise administration order may influence outcomes pertinent to range of movement (roM). METHODS: A total sample of 108 participants was randomized into five groups. Eight sets of unilateral static stretching (SS) of 30s duration each with a 30s rest were administered to the right leg. One group underwent SS of the knee extensors (KE), another to the knee flexors (KF), another first to the KE and then to the KF, another first to the KF and then to the KE while the last group was used as control (CG). Each group was assessed for roM of both lower limbs for either the Ke and Kf motion (passive hip extention [phe] and passive straight leg raise [pSlr], respectively). Measures were assessed before (T0), immediately after (T1), and 15 minutes after the intervention (T2). reSulTS: No differences were observed for time (T0 vs. T1 vs. T2) for all measures in the cG for both limbs. Time-x-group interactions were observed only in the intervention limb (P<0.0007 and 0.004, ES 0.73 and 0.55, for KE and KF, respectively). Within the intervention limb, a significant increase in the PHE was observed from T0 to T1 only in the KE and KF/KE groups. For measures of the PSLR, a significant increase was observed from T0 to T1 only in the KF and KE/KF groups. No differences neither for time or group were observed in the control limb. CONCLUSIONS: Our results highlight that exercise administration order has an effect on ROM outcomes. Measures of ROM significantly increase only for the last stretched muscle in each intervention group. No crossover effect was observed in the contralateral limb. (Cite this article as: Thomas E, Scardina A, Nakamura M, Bellafiore M, Bianco A. Acute effects of different administration order of stretching exercises: effects on range of motion and cross-over effect. J Sports Med Phys Fitness 2024;64:95-102. DOI: 10.23736/S0022-4707.23.15289-3).
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