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Does stretching induce lasting increases in joint ROM?
Regular stretching increases joint ROM for more more than one day after cessation of stretching and possibly the effects of stretching are greater in muscle groupsd with limited extensibility ( Harvey et al. 2002)
Stretching can produce a small but significant increase in ankle dorsiflexion range ( Radford et al. 2006)
Core Stability is defined as the ability to control the position and motion of the trunk over the pelvis to allow optimum production, transfer and control of force and motion to the terminal segment in integrated athletic activities.( Kibler et al. 2006)
Core muscle activity is best understood as the pre programmed integration of local, single-joint and multi-joint muscles to provide stability and produce motion.
Leetun DT et al. (2004) found that athletes with stronger hip abduction , external rotation, abdominal muscle function together better quadratus lumborum and erector spinae function had fewer injuries than their weaker counterparts
Only Hip external rotation strength was a true predictor of injury
Increasing the amount of anaerobic interval training, stretching whilst the muscle is fatigued, and implementing sport specific training drills resulted in a significant reduction in the number and consequences of hamstring muscle strain injuries. Verrall et al. (2005) Baseball Pitch
Biomechanics is the science concerned with the internal and external forces acting on the human body and the effects produced by these forces (Hatze, 1974). In sports that involve walking, running or changing of direction, good technique is essential to enhance and improve performance. Basic walking and running patterns may be considered to be a foundation of good performance .