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When adolescent athletes sustain serious injuries, they are sidelined for prolonged periods, which results in them struggling to keep up with their peers when they return to sports. Eurico Marques discusses how clinicians play a pivotal role in the athletic development of an adolescent athlete during long-term rehabilitation.
Manchester City’s Jahmai Simpson-Pusey lifts the trophy with teammates after winning the FA Youth Cup Final Action Images via Reuters/Jason Cairnduff.
Serious injury has a devasting effect on adolescent athletes. They lead to prolonged periods of rehabilitation and time away from sports. As physical activity plays a significant role in their holistic development, including emotional, psychological, and physical domains, any considerable time away from sports must be carefully managed(1). Adolescent athletes require particular care when progressing through rehabilitation due to the long-term consequences of injury on their quality of life(2). For example, adolescent athletes who return to sports earlier than nine months after ACL reconstruction are ± seven times more likely to sustain a second ACL injury compared to those who return at nine months or later(3). Interestingly, achieving symmetrical muscle function or quadriceps strength was not associated with the new ACL injury(3). Therefore, prolonged recovery periods may be necessary with adolescent athletes to significantly reduce their re-injury risk, impacting their motor skill development. This poses a problem for clinicians – the longer they are out, the lower the risk of re-injury, but the longer they will spend away from critical motor skill training and sports-specific exposure, which is essential in their long-term athletic development. However, solutions exist, and well-programmed rehabilitation plans offer athletes the hope to mitigate the motor skill deficit consequences of injury.
As with physiological capacity detraining, clinicians must carefully manage motor skill retention and loss. Training age is a common term for an athlete’s capability regarding their training history(4). It is the time accumulated from intermittent and longitudinal participation in training programs and sports(4). Adolescence is a critical period of motor skill development, and prolonged periods of not training will severely impact it. Therefore, holistic rehabilitation programs are crucial to ensuring that skill development is incorporated into recovery.
Developing athletic motor skill competencies is essential for all clinicians in injury rehabilitation. Physiological tissue healing is not enough to protect athletes from re-injury when they return. This is evident in the effect of concussion on re-injury risk. Cognitive, neuromuscular, and neurological impairments affect skill execution and will impact their ability to participate safely(5). Clinicians must acknowledge that while athletes recover from injury, their peers will continue to train and develop their physiological capacities and motor skills. Therefore, when working with adolescent athletes, it is not enough to return them to their pre-injury level. The return to sports (RTS) bar must be moved to match the expected motor skill and age-related physical development expectations. This is particularly evident during peak growth periods (up to 18 years), where they significantly improve all their sports performance capacities. Therefore, hitting the moving target becomes essential for clinicians to ensure adequate rehabilitation.
The dynamic nature of physical and skill maturation means long-term rehabilitation programs require a structured plan to meet the demands(6). Developing muscular strength and motor skills is central to long-term athletic development. However, practitioners must develop these qualities logically and step-by-step(6). Furthermore, the training methods must be age-appropriate and engaging for young athletes to manage the negative psychological consequences of injury and offer the potential to develop a healthy relationship with strength and conditioning(6).
The athletic motor skill competencies (AMSC) are a simple and easy-to-use framework for developing rehabilitation programs (see figure 1)(6). Although created for long-term athletic development (LTAD) of strength and conditioning programming, the AMSC offers medical practitioners the ability to bridge the gap between injury recovery and RTS rehabilitation. It creates a foundation for developing programs that meet the central mission of LTAD - to build solid athletic fundamental movement that enables young athletes to participate in sports effectively, efficiently, and safely(6).
Clinicians must consider the athlete’s holistic motor skill competency development when designing rehabilitation programs. The AMSCs are considered foundational and underpin all athletic movements(6). When working with adolescent athletes who are side-lined for prolonged periods, clinicians must consider themselves critical in the athlete’s LTAD. Their role is to ensure that the athlete recovers optimally from injury and continues to develop the necessary motor skills at a rate comparable to their non-injured peers. Although this may be challenging, as the intensity of matches and training cannot be replicated in typical rehabilitation settings, clinicians must endeavor to minimize the gap and think creatively to reduce the deficits throughout the recovery timeline.
Simple and clear programs following FITT principles are crucial to building solid athletic competency foundations (see table 1). Although adding the latest fad techniques to rehabilitation programs may be tempting, clinicians must ensure that the foundational strength and conditioning movement patterns are the core of any program. Along with the AMSC, pelvic hinge, and lower-body squat patterns are critical to ensuring athletic development.
Frequency | How often (e.g., days per week) |
Intensity | How hard (e.g., % 1RM) |
Time | Training session duration |
Type | Training modality (machines, free weights, etc.) |
When athletes sustain injuries that require them to complete long-term rehabilitation, clinicians must create a plan to develop and then progress motor skill development in line with the athletes’ sports-specific needs (see table 2). When designing rehabilitation programs, they must consider the exercise continuum and incorporate the most appropriate modality for each phase or intended goal. For example, plyometrics are essential in the late stages of recovery, whereas isometrics may be more suitable in the initial healing stages.
AMSC | Rehabilitation Phase | ||
Early | Mid | Late | |
Lower-body Bilateral | Sit-to-stand/wall sit | Goblet squat | Barbell front squat |
Lower-body Unilateral | Single-leg balance | Weighted single-leg deadlift | Single-leg hop and balance |
Upper-body Pushing | Barbell bench press | Dumbbell bench press | Explosive push-ups |
Upper-body Pulling | Dumbbell bent over rows | Barbell bent over row | Pull-ups |
Anti-rotation and Core Bracing | Pallof-press | Side plank | Side plank with hip abduction |
Jumping, Landing, and Rebounding Mechanics | Triple extension and bilateral landing drills | Box and countermovement jump | Depth to vertical jump |
Acceleration, Deceleration, and Reacceleration | Isometric sprinting position drills | Running/sprinting technique drills | Sprinting (including multi-directional speed) |
Throwing, Catching, and Grasping | Single-leg and balance catches | Sports-specific static ball-catching and passing drills | Sports-specific dynamic ball catching and passing drills |
AMSC | Rehabilitation Phase | ||
Early | Mid | Late | |
Lower-body Bilateral | Deadlift (technique focus) | Weighted deadlift (50-65% 1RM) | Weighted deadlift (+75% 1RM) |
Lower-body Unilateral | Single-leg sit-to-stand | Single-leg leg press | Single-leg hop and balance |
Upper-body Pushing | Shoulder taps | Incline push-ups | Explosive push-ups |
Upper-body Pulling | Theraband pull-apart | Dumbbell and barbell bent over rows | Pull-ups |
Anti-rotation and Core Bracing | Pallof-press | Plank pull-throughs | Side plank with hip abduction |
Jumping, Landing, and Rebounding Mechanics | Box and countermovement jumps | Plyometric rebound progressions | Depth to vertical jumps |
Acceleration, Deceleration, and Reacceleration | Running/sprinting technique drills | Change of direction and agility | Sprinting (including multidirectional) |
Throwing, Catching, and Grasping | Juggling | Sports-specific static ball-catching and passing drills | Sports-specific dynamic ball-catching and passing drills |
*Tables 2 and 3 represent examples of progressions for each AMSC, and clinicians must create programs that meet their athletes’ training age. A greater focus should be on foundational and isometric exercises around the injured site during the early rehabilitation phases. They progress through concentric, eccentric, and plyometric exercises toward the end of their rehabilitation or when appropriate. The non-affected limbs should train at their highest possible functional level throughout rehabilitation.
Each sport has its unique physiological and skill demands. Integrating general motor skills, such as hand-eye coordination, and sport-specific skills, such as netball shooting, is essential when working with adolescent athletes. This meets the general LTAD and sports-specific requirements. Furthermore, it creates variability and enhances the program’s enjoyability. For example, teaching athletes to juggle integrates throwing, catching, and grasping into the early rehabilitation phases. It creates a cognitive load and is often fun for them to show off to their friends when they have mastered it. It develops hand-eye coordination, which can be progressed as they recover from injury and become more physically capable.
Clinicians must also consider the different components of motor skill learning and the effect of cognitive load on performance. Motor skill learning includes sensory perception, working memory, and long-term memory. Introducing cognitive load early into rehabilitation will ensure that athletes adapt adequately when rehabilitation progresses into the late, chaotic phases. Clinicians can use various methods to develop motor skills throughout rehabilitation, such as variable and spacing practice and the control to chaos framework.
Severe injury that results in long-term rehabilitation has serious developmental consequences for adolescent athletes. While on the sidelines, they may miss large periods of crucial skill development, and clinicians play a critical role in filling the gap. The AMSC framework offers clinicians a solution to develop and progress rehabilitation programs in line with the LTAD framework. It aligns the necessary injury-specific recovery requirements with general athletic development. When successfully implemented, offers adolescent athletes the opportunity to return to sports and continue on the long-term athletic development pathway.
1. Int J Environ Res Public Health. 2021 Sep; 18(17): 9267
2. Arthrosc Sports Med Rehabil. 2022 Jan; 4(1): e221–e230
3. J Orthop Sports Phys Ther 2020;50(2):83–90
4. ACSMs Health Fit J. 2013 September/October; 17(5): 14–23
5. Oper Tech Sports Med 30:150896. doi.org/10.1016/j.otsm.2022.150896
6. Strength and Conditioning Journal 42(6):p 54-70
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