by Bret Contreras March 05, 2015
Robert A. Panariello MS, PT, ATC, CSCS
Professional Physical Therapy
Professional Athletic Performance Center
New York, New York
The athlete’s ability to sprint at high velocities is an integral component in the related fields of Sports Rehabilitation and the Performance Enhancement Training of athletes. A principal objective of the rehabilitation process is to restore the athlete to their previous level of athletic performance including the athlete’s pre-injury running velocity. With regard to the athlete’s performance enhancement training, a necessary component of training, when appropriate, would be to enhance the athlete’s abilities in linear velocity. The review of the various rehabilitation and/or performance enhancement training program designs often leads to the inquiry, as well as reveals the lack of an appropriate programmed sprinting volume as often the focus of the running volume prescription is “tempo” in nature. The Rehabilitation and Strength and Conditioning (S&C) Professional must ensure that the athlete incorporates an appropriate and proficient amount of sprinting volume into their rehabilitation and performance enhancement training program designs. Based on the athlete’s medical history, demonstrated physical quality levels, biological age, training history, etc., these appropriately prescribed sprinting volumes will vary from athlete to athlete. Nonetheless it is essential to incorporate appropriate high velocity sprinting volumes into the athlete’s rehabilitation and performance training program design.
The following are some of the simple explanations for prescribing suitable sprinting volumes for the athlete:
High velocity sprinting movements are dependent upon a brief factor of ground contact time. The performance of high velocity sprinting activities requires a prominent contribution from the agonist muscle group(s) while the antagonist muscle group(s) has a lower level of contribution. This emphasized contribution of the agonist muscle group results in a shift in the co-activation index in favor of the agonist. This emphasized contribution of the agonists result in optimal high speed propulsion, as well as a fluid motion of the body in the desired direction of movement. Charlie Francis and Tudor Bompa have indicated that the highest skilled athlete’s are those with the ability to completely relax their antagonist muscle groups during high velocity movement and that ridged and rough movements are a result of poor coordination between the agonists and antagonists.
An analogy of the significance of applicable neuromuscular timing of the shoulder occurs during the rehabilitation of the rotator cuff musculature in a baseball pitcher. During this shoulder rehabilitation process a neuromuscular timing must be established between the musculature of the gleno-humeral (GH) and scapula-thoracic (ST) joints of the shoulder for optimal throwing performance to occur. During the final stages of rehabilitation the initiation and progression of a post-operative rotator cuff repair tossing/throwing program may be prescribed as follows: Short Toss to Long Toss to Pitching on Flat Ground to Pitching from a Pitchers Mound.
This throwing progression requires the shoulder/arm to travel at higher throwing velocities during each progressive throwing phase of the athlete’s rehabilitation. Thus the neuromuscular efficiency, or timing, of the GH&ST musculature that is required for optimal throwing performance is enhanced via a progression of higher throwing velocities. Therefore wouldn’t the efficient timing of the dual innervation of the biceps femoris require the same high speed program design for optimal performance as well as the prevention of injury?
Optimal running velocities are imperative for success in many athletic endeavors. Appropriately prescribed sprinting volumes at the applicable times will not only enhance an athlete’s sprinting velocity, but maintain that linear velocity throughout the course of athletic competition while assisting in the prevention of lower extremity injury as well.
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