Increase Performance by Perfecting your Crossfit Warm-Up

Every Crossfit warm-up should be time efficient and fit for the purpose ahead. It should have a general and skill specific portion, and always establish an optimum body temperature.

A winning team or athlete will undoubtedly want to achieve two things every session:

  1. Perform at their best for that given day
  2. Prevent any injury occurring.

With this in mind, athletes are paying more attention to their warm-up procedure as the impact of an effective warm-up has shown to play a significant role in achieving those goals.

Crossfit warm-up
Warm-up at Crossfit Palm Beach (© Crossfit Palm Beach)

Competition tends to encourage us to find an edge or advantage over our competitors. In some cases this allows us to be innovative and improve, in others it creates distractions. The warm-up has become a monster in some cases. It is not uncommon to see some teams and individuals performing excessive warm-up protocols which result in more harm than benefit.

PREPARE FOR THE TASK AHEAD

An effective warm-up will prepare you for the task ahead. In order to be effective an individual or team coach must identify what they are preparing themselves for. The following will discuss the main components of a warm-up. By understanding what is needed, one can structure a warm-up that is fit for their purpose.

In Crossfit or any major fitness competition an athlete will need to perform at very high intensity either in regards to load or work rate. Most workouts are relatively short and so the athletes must be fully prepared to execute the task from the very start. There is no time to settle into the load or pace. For this reason a competitive Crossfitter must pay special attention to the format of their warm-up to ensure that they can perform immediately after it is completed. The following are things which an athlete should consider carefully.

BODY TEMPERATURE

Caption Thermal Infared Imaging: the false colours scheme displays the changing body temperature during warm up exercises
Thermal Infared Imaging: the false colours scheme displays changing body temperature during warm up (© itab.unich.it)

 This is the main priority of the warm-up. By increasing core and muscle temperature we elicit a wide range of responses which have been proven to improve performance. 1° C increase in muscle temperature from resting is associated with approximately a 4% increase in power output. The ideal temperature being approximately 37.5°C. Excess of this will likely have detrimental effects.

The most effective way to increase warm-up is to perform moderate full body exercise (Approx 80% of lactate threshold) for 5-10mins depending on environmental factors. This increase should level off after approximately 15mins in normothermic conditions. Optimal muscle temperature will ensure fast nerve transmission and muscle contraction.

CARDIOVASCULAR

 When we begin to exercise our cardiovascular system reacts. Blood vessels dilate and constrict to direct more blood to working muscle and away from inactive muscle and organs. Increases in heart rate also allow for increased cardiac output and blood supply.

JOINT MOBILITY AND FLEXIBILITY

Warm-up by Dmitry Klokov (© ATG)

Activity and movement reduces viscosity of synovial fluid in the joints which act as a form of lubricant. In addition, stretching may be utilized to promote elasticity of muscle fibres. Some theorize that this can prepare the muscles for rapid loading and increase ranges of motion (ROM), reducing the possibility of injury. Some have argued that increased range of motion may be problematic for joint related injury depending on the nature of activity to follow. It is wise to exercise caution with the use of stretching prior to exercise.

Foam rolling has also become a popular method to promote muscle elasticity and ROM. It has shown little evidence for increasing performance where ROM is not a limiting factor. Mobility drills may also be used to promote ROM but have again shown little evidence for promoting performance where issues with ROM are not present. In short unless there is tightness or an issue with mobility it is not essential.

Crossfit foam rolling
Foam rolling can help ROM, but for major issues you should specifically work on them (© Nero RX’d Photography)

Dynamic stretching may offer a more beneficial alternative. Basic drills can be used which closely replicate movements required during competition. Increased specificity will prepare the athlete more appropriately for their sport.

POST ACTIVATION POTENTIATION (PAP)

Leading on from the previous point. An effective warm-up will also provide some PAP response. This can be read about in more depth here¹. Some basic ballistic style movements and dynamic stretching can provide this. It is wise to do this following a basic temperature increase focused portion of the warm-up. Some progressive bounding or jump type movements are appropriate in most cases. This may increase nervous system activity which can allow for better contractile function of the muscle. This can improve force output and reaction times.

COMPETITION SPECIFIC

Crossfit Warm Up
Technical drills should prepare you for the movements you will encounter in the WOD (© FormulX)

Technical drills should be used to prepare the athlete mentally for the tasks they are about to perform. Including some technical, skill focused drills will also allow for further physical warming-up in a way that is specific to the tasks that the athlete will undertake.

The recommended order of warm-up should look like this:

  • Temperature ramp (Also covers cardiovascular preparation)
  • Mobility and dynamic stretching (Covers PAP response)
  • Competition specific

DURATION AND EFFICIENCY OF THE WARM-UP

A full warm-up should last between 15 and 30 mins depending on the sport. It is important that the athlete’s warm-up is as efficient as possible and waste little time. The warm-up is not the time to address mobility or flexibility issues. This should have dedicated time given to it.

A warm-up is preparation for the task. I feel that far too much time is given to mobility drills and foam rolling and these have become the core of many warm-up routines. The popularity of movement as a performance variable has allowed some to go overboard and neglect other aspects of their preparation. The main priority is getting the desired increase in body temperature, especially in colder environments. It must also be noted that warm-ups should be performed as close to the event as possible and great care should be taken to maintain body temperature if there are periods between the cessation of the warm-up and the start of competition.

These are the core components of an efficient warm-up. The exact drills and procedure will depend largely on the sport itself. If your warm-up is lacking any of these components then it would be very beneficial to look at ways of adding them in.

AN IDEAL WARM-UP

‘In summary a warm-up should be time efficient and fit for purpose.’

It should have both a general and specific portion, and should always look to establish optimum body temperature. Too many mobility drills may distract the athlete from the purpose ahead, and would be better placed in a training session dedicated to addressing mobility issues. It takes a little experimenting to find a balance between effort, time and effectiveness. If exercises are too intense fatigue can become an issue. It is always best to establish protocols outside competition first to avoid any issues on the day.

 


Featured Image
© Iko PB Photographer
© Wodlounge

Literature
¹ Lorenz, D. (2011). POSTACTIVATION POTENTIATION: AN INTRODUCTION.International Journal of Sports Physical Therapy, 6(3), 234–240.

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About The Author

I am an ex International sailor, having represented Ireland at multiple World and European Championships. I am currently completing a Masters degree in Exercise Physiology at Trinity College Dublin. I work as a performance consultant to many athletes from club to elite level, in a wide range of sports. I am fascinated by all things relating to Human performance. I believe that a theoretical and scientific foundation combined with practical application ...

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