Effect of Different Frequencies of Skipping Rope on Elastic Components of Muscle and Tendon in Human Triceps Surae

Yamaguchi, Hidetaka; Yamamoto, Kimihisa; Edamatsu, Chihiro; Hayata, Gou; Miyakawa, Takeshi; Onodera, Satoshi

doi:10.7600/jspfsm1949.51.185

Cited by 3 publications

(4 citation statements)

References 12 publications

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“…This would indicate that, in the 1.5-Hz condition, the dynamic elements for postural control would be strongly required to maintain postural stability. During repetitive movements such as hopping [ 30 , 31 ], skipping rope [ 32 ] and free walking [ 33 ], efficient and stable motor control was observed when the movement was performed at relatively higher frequencies ≥1.5 Hz. Therefore, lateral dominance in postural stability may be observed in floor oscillations at frequencies >1.5 Hz, which may clarify the border of frequency for stability of dynamic postural control in single-leg stance.…”

Section: Discussionmentioning

confidence: 99%

Dominant side in single-leg stance stability during floor oscillations at various frequencies

Kiyota

Fujiwara

2014

J Physiol Anthropol

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BackgroundWe investigated lateral dominance in the postural stability of single-leg stance with anteroposterior floor oscillations at various frequencies.MethodsThirty adults maintained a single-leg stance on a force platform for 20 seconds per trial. Trials were performed with no oscillation (static condition) and with anteroposterior floor oscillations (2.5-cm amplitude) at six frequencies: 0.25, 0.5, 0.75, 1.0, 1.25 and 1.5 Hz (dynamic condition). A set of three trials was performed on each leg in each oscillation frequency in random order. The mean speed of the center of pressure in the anteroposterior direction (CoPap) was calculated as an index of postural stability, and frequency analysis of CoPap sway was performed. Footedness for carrying out mobilizing activities was assessed with a questionnaire.ResultsCoPap speed exponentially increased as oscillation frequency increased in both legs. The frequency analysis of CoPap showed a peak <0.3 Hz at no oscillation. The frequency components at 0.25-Hz oscillation included common components with no oscillation and those at 1.5-Hz oscillation showed the maximum amplitude among all conditions. Postural stability showed no significant difference between left- and right-leg stance at no oscillation and oscillations ≤1.25 Hz, but at 1.5-Hz oscillation was significantly higher in the right-leg stance than in the left-leg stance. For the lateral dominance of postural stability at individual levels, the lateral difference in postural stability at no oscillation was positively correlated with that at 0.25-Hz oscillation (r = 0.51) and negatively correlated with that at 1.5-Hz oscillation (r = -0.53). For 70% of subjects, the dominant side of postural stability was different at no oscillation and 1.5-Hz oscillation. In the subjects with left- or right-side dominance at no oscillation, 94% or 38% changed their dominant side at 1.5-Hz oscillation, with a significant difference between these percentages. In the 1.5-Hz oscillation, 73% of subjects had concordance between the dominant side of postural stability and that of mobilizing footedness.ConclusionIn static conditions, there was no lateral dominance of stability during single-leg stance. At 1.5-Hz oscillation, the highest frequency, right-side dominance of postural stability was recognized. Functional role in supporting leg may be divided between left and right legs according to the change of balance condition from static to dynamic.

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Section: Discussionmentioning

confidence: 99%

Dominant side in single-leg stance stability during floor oscillations at various frequencies

Kiyota

Fujiwara

2014

J Physiol Anthropol

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“…Consequently, this study opts to commence at 100 RPM as a baseline, considering that jumpers at this frequency already demonstrate continuous, relatively stable, and refined rope swinging techniques [23]. The tempo within the range of 92-100 RPM is regarded as optimal for rope jumping from an injury prevention standpoint, as it minimizes joint stress, particularly on the knees [11]. Beyond 100 RPM, as the jumping cycle accelerates, there is an increase in physical demands [11].…”

Section: Test Protocolmentioning

confidence: 99%

“…The tempo within the range of 92-100 RPM is regarded as optimal for rope jumping from an injury prevention standpoint, as it minimizes joint stress, particularly on the knees [11]. Beyond 100 RPM, as the jumping cycle accelerates, there is an increase in physical demands [11]. Notably, a frequency of 140 RPM serves as a critical threshold that jumpers and coaches should heed [1].…”

Section: Test Protocolmentioning

confidence: 99%

“…The speed of rope jumping, normally quantified by revolutions per minute (RPM) [8,9], plays a pivotal role in performance. Athletes aiming to increase RPM encounter heightened physical demands [9][10][11], necessitating precise motor control to sustain rhythm, balance, and coordination. It is widely hypothesized that as jumping speed rises, distinct changes in motor control patterns occur, impacting both technique and efficiency.…”

Section: Introductionmentioning

confidence: 99%

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Rhythmic Mastery: Biomechanical Investigation of Cycle-tempo Induced Motor Control Changes in Elite Jump Rope Athletes

Zhou,

Liu,

Kong

et al. 2024

Preprint

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Jump rope is a widely-applied basic training in various sports, yet it is understudied biomechanically. This study investigates the impact of cycle-tempo-induced motor control changes in elite jump rope athletes, addressing the biomechanical gap of cyclic skill control. The hypothesis posited two accelerations per jump cycle—one in front of and one behind the body—and anticipated that increased cycle frequency would alter the distribution of acceleration time within a cycle. Using 3D motion analysis, kinematic parameters were obtained and analyzed. The results confirmed the presence of two distinct accelerations per cycle. As tempo increased, the percentage of rear acceleration time increased while front acceleration time decreased, along with peak velocities increasing significantly (p&lt;0.01). Rope trajectory analysis indicated a consistent movement pattern across tempos, primarily in the sagittal plane. Variations in skill control showed shorter contact phases and reduced vertical range of motion for the center of gravity and feet at higher tempos (p&lt;0.05), along with significant reductions in joint range of motion for the lower limbs (p&lt;0.01). These findings enhance the understanding of motor control adaptations to different tempos and have practical implications for developing coaching programs aimed at optimizing performance, stability, and efficiency in jump rope training.

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Supporting System for the Form Improvement on Rope Skipping Skill by Image Processing

Yoshioka

Yamada

Matsuura

2014

2014 IIAI 3rd International Conference on Advanced Applied Informatics

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Effect of Different Frequencies of Skipping Rope on Elastic Components of Muscle and Tendon in Human Triceps Surae

Cited by 3 publications

References 12 publications

Dominant side in single-leg stance stability during floor oscillations at various frequencies

Dominant side in single-leg stance stability during floor oscillations at various frequencies

Rhythmic Mastery: Biomechanical Investigation of Cycle-tempo Induced Motor Control Changes in Elite Jump Rope Athletes

Supporting System for the Form Improvement on Rope Skipping Skill by Image Processing

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