Post exercise stretching is something we all mean to do when we ‘remember’ and ‘have the time’. The trouble is, many of us only find the time once every few months.

There are three very good reasons why you should stretch, and they are;

1. Tight muscles, tendons and ligaments restrict motion, particularly in the ankle and hip. Regular stretching will counter act that improving running efficiency and cadence technique.

2. It’s quite obvious that regular post exercise stretching can be linked to a reduced chance of injury, particularly in the knees, hips and ankles.

3. Research indicates that stretching stimulates the passage of amino acids into muscles and speeds up repair. So stretching after training will help your muscles repair themselves quicker.

In recent years one particular type of stretching has been hailed as very effective, yet it’s one many people have never heard of . Proprioceptive neuromuscular facilitation (PNF) has been shown to improve flexibility by 10-15% more than normal stretching and despite its complex name, PNF stretching is simple to do. In fact, PNF stretching is made even easier to do because its best done with a partner.

Your four step guide to performing a PNF stretch
1. Relax and let you partner gently push you into a stretch as far as is comfortable.
2. Stay in this position for 10-20 seconds – don’t bounce or tense up.
3. Push back gently (approx 10-15% effort) against the pressure of your partners weight for 10 seconds.
4. Relax again and let you partner re-apply the stretch for 30 seconds (and increase it if you feel comfortable).

An example PNF stretch on the Hamstrings.
Stretcher – Lie on your back with your arms by your sides. Lift one leg off the floor as far as you can, keeping the knee as is comfortable.

Partner – Kneel behind your partners raised leg with the back of their calf against your shoulder. Place one hand on the thigh, above the knee. Gently lean forward so your weight increases the stretch on the hamstring. Perform the PNF sequence as above, then repeat on the other leg. Try to complete three full rounds of the stretch.

How not to stretch.
1. Don’t stretch cold muscles. Stretching before a run has been shown to increase the risk of injury. Perform a few functional movements such as gentle ‘walking lunges’ or ease into every run with about 5-10 minutes of walking/jogging.
2. Don’t over-stretch. Extreme flexibility is no real use to triathletes, so there’s no need to force a stretch. Over doing a stretch to the point of pain, shaking or extreme tension can cause injury just as easily as twisting your ankle.
3. Don’t bounce. It might be what you see certain professional footballers do, but trust me, it’s a sure route to damaged muscles.
4. Don’t just stretch. If you hurt yourself whilst out training, stretching will not make a bad muscle good. It’s a preventative measure not a quick cure.

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