Neuromuscular Facilitation Vs Taping VideoProprioceptive neuromuscular facilitation for Bell's palsy Neuromuscular Facilitation Vs Taping
Neuromuscular activation increased significantly in all muscle groups in eccentric and concentric phase apart from RA in the eccentric phase. VL activation increased in both phases with no group differences.
Trunk neuromuscular activation increases in a fatiguing set of heavy squats regardless of training status. Increased back squat strength through training results in lower neuromuscular activation despite greater absolute external squat loads. Neuromuscular research into prime movers has been effective in advancing our understanding of the acute and chronic effects of squat training stimulus. For example, acute neuromuscular response to resistance training using the loaded free barbell back squat has contributed Tapping our understanding of how to optimize adaptation in this exercise Clark et al. These findings can be explained by a higher agonist neural activation in Neuromuscular Facilitation Vs Taping compared to untrained participants.
Developing trunk stability has become increasingly recognised as a method of improving athletic performance and preventing injury Wirth Neuromuscular Facilitation Vs Taping We reported that muscles of the lower limb have been investigated more than trunk muscles, i. Furthermore, we and others have investigated trunk stabilizer muscle activation in the back squat and Fscilitation that activation is greater in concentric compared to eccentric phase and activation increases with increases in external load Hamlyn et al.
We also showed that trunk muscle activation in loaded barbell squat was highest in the Facilihation range of both eccentric and concentric phases Clark link al. The combination of external load, squat descent and transition to ascent represent the greatest challenge to trunk stability in the squat movement Myer et al.
Successful execution of the loaded barbell back squat is dependent on the capacity of the trunk stabilizers in maintaining the centre of force of the external load over the base of support throughout this movement.
Recently, we demonstrated that trunk muscle activation in barbell squats at the same relative load is significantly lower in squat-trained versus untrained participants Clark et al. This adaptation enables the prime movers to apply greater force with associated higher neuromuscular activation to achieve greater expressions of absolute 1RM and relative squat strength RM by maintaining an upright trunk to ensure a vertical bar Neuromuuscular over the midfoot.
This suggests that increased trunk stability resulting from progressive load squat training is associated with greater neuromuscular efficiency in trunk stabilizer muscles and that loaded squats are an effective method of developing dynamic trunk stability. It has been established that agonist activation increases during a fatiguing set to failure during moderate to heavy squats to offset loss of power Pick and Becque ; Brandon et al.
It was proposed that with fatigue from heavier loads, more motor units are were recruited including larger type II muscle fibres read article compensate for the fatigued smaller type 1 Neuromuscular Facilitation Vs Taping Brandon et al. Stronger participants with greater maximal squat strength are capable of completing significantly more repetitions to failure 9. In this study, trained subjects elicited higher muscle activation of quadriceps muscles across all repetitions to failure than weaker participants and this difference became significant closer to failure Neuromuscular Facilitation Vs Taping and Becque These authors concluded, higher agonist neuromuscular activation indicates greater motor unit discharge rate which explains greater absolute and relative strength and slower decay of strength in fatiguing repetitions to failure in stronger participants Pick and Becque We have previously shown that greater squat strength does not result in greater trunk muscle activation at moderate to heavy relative squat loads when compared to weaker participants Clark et al.
Maintaining an upright posture to ensure that barbell and external load remain over the base of support in the sagittal plane is dependent on tension developed in trunk stabilizer muscles Myer et al.]