Previous hamstring muscle strain injury alters passive tissue stiffness and vibration sense

Kawai, Tomonori; Takamoto, Kouichi; Bito, Itsumu

doi:10.1016/j.jbmt.2021.05.002

Cited by 17 publications

(9 citation statements)

References 47 publications

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“…The degree of hamstring flexibility quality is the core key for individuals to promote their sports performance and maintain a good life pattern ( Williams et al, 2019 ). According to the investigation, hamstring muscle strain is one of the most common injuries in sports ( Kawai et al, 2021 ). To maintain muscle flexibility, enhance physical activity function and reduce the chance of injury, stretching is increasingly used in sports, fitness, and medical care.…”

Section: Introductionmentioning

confidence: 99%

Gender difference in effects of proprioceptive neuromuscular facilitation stretching on flexibility and stiffness of hamstring muscle

Lü

Liang

et al. 2022

Front. Physiol.

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Objective: This study investigated the acute effects of PNF stretching on hamstring flexibility and muscle stiffness of lower limbs between genders.Methods: 15 male and 15 female university students without any injury histories on lower limbs in the past 3 months were included in this study were selected. All subjects were measured by MyotonPRO before and after stretching to determine the muscle stiffness of the biceps femoris muscle (BF), semitendinosus muscle (ST) of the hamstring and the medial gastrocnemius muscles (MG), lateral gastrocnemius muscles (LG), and the soleus (SOL) of the triceps surae muscles. Additionally, their flexibility was measured using the sit-and-reach test (the SR test) and passive hip range of motion (ROM). Differences based on time (pre-stretching vs. post-stretching) and sex (females vs. males) were assessed using 2 × 2 repeated measures AVONA.Results: There was a significant decrease in the stiffness of the hamstring and triceps surae muscles after stretching (BF, MG, LG, and SOL: p < 0.001; ST: p = 0.003). The muscle stiffness of the hamstring and triceps surae muscles is larger in males than in females at all time points (p < 0.001). There was a significant increase in hip flexion angle and the SR test in males and females after PNF stretching (p < 0.001); However, there was no difference in the change in the muscle stiffness and the flexibility between genders (p > 0.05).Conclusion: PNF stretching helped improve hamstring flexibility and decrease muscle stiffness. Stretching the hamstrings can also contribute to a decrease in the stiffness of the triceps surae muscles. The muscle stiffness of males before and after stretching is always greater than that of females. However, there was no difference in the change of improvement in stretching between genders.

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Section: Introductionmentioning

confidence: 99%

Gender difference in effects of proprioceptive neuromuscular facilitation stretching on flexibility and stiffness of hamstring muscle

Lü

Liang

et al. 2022

Front. Physiol.

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“…In that study, while a moderate correlation was observed between BMI and erector spinae muscle stiffness, tone, and elasticity in male patients, female patients and healthy controls (19 females, 4 males) did not show this correlation [34]. One study examining the effects of previous hamstring injury on the sense of vibration in 16 professional soccer players did not find a correlation of BMI with muscle stiffness [35]. It was difficult for us to compare our findings with those reported by other studies due to the differences in sample size, populations, and muscles studied.…”

Section: Discussionmentioning

confidence: 83%

The Relation of Body Mass Index to Muscular Viscoelastic Properties in Normal and Overweight Individuals

2021

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Background: The body mass index (BMI) is closely related to fat tissue, which may have direct or indirect effects on muscle function. Previous studies have evaluated BMI and muscle viscoelastic properties in vivo in older people or individual sexes; however, the relationship between BMI and muscular viscoelastic properties is still unknown. Aims: The purpose of this study was to determine the correlation of BMI with muscular viscoelastic properties, and to compare these properties in a young sedentary population with normal and overweight individuals. Methods: A total of 172 healthy sedentary individuals (mean age, 26.00 ± 5.45 years) were categorized by sex (male and female) and BMI classification (normal (BMI, 18.50–24.99 kg/m2), overweight (BMI = 25.00–29.99 kg/m2)). Body weight was evaluated using an electronic scale, while height was measured using a standard stadiometer. BMI was calculated by dividing the weight in kilograms by the square of height in meters. The viscoelastic properties (tone, stiffness, and elasticity) of the biceps brachii (BB) and biceps femoris (BF) muscles were measured bilaterally using the MyotonPRO device at rest. Results: The bilateral BF tone and stiffness, right BB stiffness, and elasticity showed weak correlations with BMI in all participants. Furthermore, the bilateral BF tone and stiffness, right BB stiffness and elasticity, and left BB stiffness were weakly positively correlated with male sex. Only the right BB elasticity was weakly positively correlated with BMI in females (p < 0.05). No correlation with BMI was determined for other viscoelastic properties (p > 0.05). The overweight group showed increased bilateral BF stiffness and tone, right BB stiffness, and reduced bilateral BB elasticity compared to the normal-weight group (p < 0.05), while other viscoelastic properties were similar (p > 0.05). Greater bilateral BB tone, BF tone and stiffness, and lower BF elasticity were observed in males than in females (p < 0.05), but other viscoelastic properties were not significantly different (p < 0.05). No effect of BMI–sex interactions was found on viscoelastic properties (p > 0.05). Conclusions: The BB and BF viscoelastic properties were weakly correlated with BMI. Males showed greater muscle tone and stiffness, and lower elasticity. The overweight individuals showed increased stiffness and tone, particularly in lower extremities, and reduced elasticity in upper extremities. The effect of BMI–sex interactions on the viscoelastic properties was not clear. Higher BMI (increased mechanical load) might cause the human body to develop different muscular viscoelastic adaptations in the extremities.

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“…The study shows that athletes who had previous muscle strain had decreased sensory input such as vibration sense in the injured area. Additionally, they had increased tissue stiffness [17]. This tissue stiffness is most likely from the stiffness of fascia, which contains viscoelastic ground substances [38].…”

Section: Decreased Sensory Function and Increased Tissue Stiffnessmentioning

confidence: 99%

“…There is still a lack of evidence-based criteria for a safe return to play; therefore, the true reason for recurrent injury has been unknown [1]. Even so, a previous history of injury is considered a strong predictor of recurrent injury, such as hamstring strain injury, and it leads to some functional alterations such as neuromuscular function, sensory function, or tissue stiffness [16,17].…”

Section: Introductionmentioning

confidence: 99%

Conditioning Strategy for Previous Injured Players

Kawai¹

2023

Innovations in Football Science [Working Title]

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Football players are prone to sports injuries such as ankle sprain, groin pain, ACL injury, and so on. Muscle strain injury also frequently occurs in football games or practice. As previous studies show, previously injured players have altered muscle and neural functions as well as tissue properties associated with muscle strain injury. They have altered vibration sense, tissue stiffness, and increases in micro-muscle damage. However, training load or conditioning programs are provided the same as those for uninjured players in most cases. In this chapter, the conditioning strategies for players who have previous muscle injuries will be suggested according to the phenomenon after muscle strain injury.

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Previous hamstring muscle strain injury alters passive tissue stiffness and vibration sense

Cited by 17 publications

References 47 publications

Gender difference in effects of proprioceptive neuromuscular facilitation stretching on flexibility and stiffness of hamstring muscle

Gender difference in effects of proprioceptive neuromuscular facilitation stretching on flexibility and stiffness of hamstring muscle

The Relation of Body Mass Index to Muscular Viscoelastic Properties in Normal and Overweight Individuals

Conditioning Strategy for Previous Injured Players

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