If you have ever woken up feeling stiff or felt tightness after sitting at your desk all day, you might assume it is age catching up with you. The truth is often simpler. A lot of that stiffness comes from dehydrated fascia and lack of movement, not the number of candles on your birthday cake.
Fascia is one of the most talked about topics in movement, sports performance and rehab. Yet many people still are not sure what it is or how it works. In this post, I will discuss what fascia is, the importance of hydration for your fascia and simple ways you can improve your body’s fascial network so you can run with less tightness, pain or restriction.
The Role of Fascia in The Body
Fascia is a continuous web of connective tissue that wraps around and through every structure in your body. It surrounds muscles, bones, nerves, organs and blood vessels. It is like a three dimensional inner web that holds everything together.
Research shows that fascia is full of sensory nerve endings. It helps us sense movement, pressure and even pain (Schleip et al., Journal of Bodywork and Movement Therapies, 2012). In other words, fascia is not just an inert wrapper. It is a living, responsive system that affects how you move, recover and feel on a daily basis.
Healthy fascia is springy, elastic and flexible. It allows your muscles to glide, lengthen and contract without friction.
It is made mostly of collagen, elastin and a gel like substance rich in water and hyaluronic acid. This gel allows muscles and tissues to slide smoothly, absorb shock and transmit force from one area to another. Water is an essential component of the gel, without adequate supply of water, you can imagine that the muscles and tissues will not glide as freely.
When fascia is dehydrated, the tissue can become sticky and stiff. This is often called densification. Researchers in the field of fascial science, including Stecco et al., have shown that changes in the viscosity of hyaluronic acid within fascia are linked to reduced mobility and increased pain.
In short, dehydrated fascia does not move well. If you feel creaky, tight or restricted, your fascia is trying to tell you something; drink water and get moving.
The Role of Fascia in Muscle Stiffness and Joint Pain
We all know we need to drink water everyday. But do we all know that a lot of the stiffness and muscle or joint pain we experience as runners can actually be linked to poor hydration.
When our fascial network is not adequately hydrated the following common running complaints can occur:
- Reduced flexibility. Fascia loses its elastic quality and cannot stretch easily – think tight hamstrings or quads to name a few.
- Stickiness between layers. Without enough fluid, tissues can stick to each other. This reduces range of motion and can affect posture.
- Increased friction. Less lubrication means more rubbing between layers, which can irritate nerves and contribute to pain. Think joint pain – knees, hips for example.
- Adhesions. Over time, restricted tissue can develop small adhesions that make mobility even harder. Those are the trigger points your massage therapist finds, and cause you to wince in pain!
- Compromised force transmission. Fascia helps distribute load across the body. When it stiffens, other areas must compensate. You may change your running gait to compensate for tightness and start a chain of issues.
- Pain and sensitivity. Fascia is rich in nerve endings. When it becomes stiff or irritated, those nerve endings can become more sensitive. When you don’t realise you are sore until you go for a massage and your therapist finds a few surprise tender spots.
We often attribute these complaints to aging but it is often not the culprit. When fascia becomes dehydrated and stagnant or when we do not move enough these problems begin to show up.
Drink Water and Keep Moving
We tend to think of hydration as something that happens only through drinking water. You drink the water and assume it goes directly to where it is needed.
With your Fascia, unfortunately its not as simple as that. Yes, definitely drink water but fascia also needs movement to move the water through the tissues. Think of fascia like a sponge. You can pour water on a sponge, but unless you squeeze it and move it, the water does not circulate throughout the whole thing.
Your tissues work similarly. Sitting all day while drinking water is better than not drinking at all, but without movement your fascia will not absorb and distribute that hydration effectively.
Studies on fascial hydration highlight that mechanical stimulation such as stretching, compression and load are essential for maintaining the fluid flow within connective tissue.
So hydration is not just about what you drink. It is also about how you move.
You probably are thinking, well, I’m a runner so that’s movement covered. But again, its not as simple as that.
For the fascia to be adequately hydrated throughout the entire body, we need to move in multiple planes, we need to twist, bend, reach, extend and our full range of motion. Similar to muscles – if you don’t use them you lose them. Fascia needs movement.
While running is a great form of movement, it is essentially a repetitive motion. Repetitive motion loads the same lines of fascia and neglects others so some areas will become tense and tight.
The Fascial Web
Think of your fascial system like a giant web. If you tug on one point of a web, another spot moves with it. Your body works the same way. A tight area in one place can create pull or discomfort somewhere else, even if the two spots don’t seem directly connected.
Here are a few examples of how one area can impact another along the chain.
- Calves to hamstrings to lower back
The fascia on the back of your body forms one long line from the soles of your feet to the base of your skull. When the calf area tightens, it increases pull on this line. Your hamstrings work harder, and your lower back absorbs the tension. - Hip flexors to diaphragm to breathing
Tight fascia around the hip flexors can pull the pelvis forward and shorten the front line of the body. That line connects into the diaphragm. When the diaphragm cannot move well, your breathing feels shallow and your upper body holds more tension. - Feet to knees to hips
The plantar fascia under the foot feeds directly into the fascial line that supports the back of the leg and hip. When the foot loses mobility or becomes stiff, the knee and hip take on more load, often becoming sore despite not being the starting point. - Glutes to IT band to knee pain
The fascia of the glutes blends into the IT band along the outside of the thigh. When the glutes or tensor fasciae latae become tight, the IT band pulls more on the outer knee, leading to discomfort even though the knee itself is not the primary issue. - Neck to jaw to headaches
Fascial layers around the neck connect to the jaw and the base of the skull. When neck fascia becomes tight, the jaw becomes tense and the strain can travel up to the head, showing up as pressure or headaches.
Myofascial Release Techniques
Myofascial release is the name given to any technique which helps to stretch and loosen the fascia.
Foam Rolling is a form of myofascial release. Most of us runners own a roller, but most of us keep it under the bed gathering dust. But it is a useful tool along with my favourite, the spiky massage ball.
Foam rolling can be painful. Begin slowly and if in extreme pain stop. 30 seconds on a muscle group may be plenty to start with. You are looking for a change in the muscle tone and sensation (ie reduced pain).
A spiky massage ball can target smaller fascial areas that a foam roller misses. Using it on the feet, hips or rotator cuff can free up stuck areas and improve your overall movement.
Here is a 10 Minute Full Body Myofascial Release Routine
(You may not be able to complete the full time on each exercise to begin with but that is ok)
1. Foot Release with Ball
Time: 1 minute
Tool: Spiky ball or tennis ball
- Stand or sit and roll the ball slowly under one foot.
- Explore the arch, heel, and the base of the toes.
- Switch feet halfway through.
Why it helps: Loosens the plantar fascia, which influences the entire back line of the body.
2. Calf Sweep
Time: 1 minute
Tool: Foam roller
- Sit with one leg over the roller.
- Roll from the base of the calf to just below the knee.
- Turn the foot in and out to reach different lines of tissue.
- Switch sides after 30 seconds.
Why it helps: Reduces tension that can travel up into hamstrings and lower back.
3. Hamstring Glide
Time: 1 minute
Tool: Foam roller
- Sit on the roller with one leg extended.
- Roll up and down the hamstring.
- Add small side to side movements to reach the fascial layers.
Why it helps: Frees up the posterior line for easier bending and walking.
4. Glute and Hip Release
Time: 1 minute
Tool: Ball or roller
- Sit on the roller or ball under one glute.
- Cross the same side ankle over the opposite knee.
- Make slow circles. Switch sides after 30 seconds.
Why it helps: Targets deep hip fascia that affects gait, back comfort, and knee alignment.
5. Quad and Hip Flexor Roll
Time: 1 minute
Tool: Foam roller
- Lie face down with the roller under your thighs.
- Roll from just above the knee to the front of the hips.
- Pause on any tender spots and breathe.
Why it helps: Opens the front line, easing tension on the pelvis and lower back.
6. Adductor Release
Time: 1 minute
Tool: Foam roller or Massage Ball
- Lie face down with one knee bent out to the side, like a half-frog position.
- Place the roller or ball under the inner thigh of the bent leg.
- Roll slowly from just above the knee toward the groin.
- Pause on any tender spots and take slow breaths.
- Switch sides after 30 seconds.
Why it helps: Loosens the inner thigh fascia, which supports hip mobility, pelvic stability, and smooth stride mechanics.
7. Upper Back Roll
Time: 1 minute
Tool: Foam roller
- Lie on your back with the roller under your upper spine.
- Lift your hips and roll between the base of your ribs and the top of your shoulders.
- Gently hug your arms together to open up the fascia between your shoulder blades.
Why it helps: Frees the thoracic spine and helps the shoulders move better.
8. Chest and Front Shoulder Release
Time: 1 minute
Tool: Spiky or massage ball
- Stand facing a wall.
- Place the ball between the wall and the front of your shoulder or upper chest.
- Make slow circles while breathing deeply.
- Switch sides after 30 seconds.
Why it helps: Counteracts desk posture and opens the front body for easier breathing.
9. Lat Release
Time: 1 minute
Tool: Foam roller
- Lie on your side with the roller under your armpit area.
- Gently roll along the side of your rib cage.
- Keep movement small and slow.
Why it helps: Reduces tension that pulls on the lower back and shoulder. - Switch sides after 30 seconds
10. Spine Lengthening Stretch
Time: 1 minute
Tool: None
- Sit or stand tall.
- Interlace your fingers overhead and reach upward.
- Take slow breaths in and out, letting the ribcage expand.
Why it helps: Restores fluid movement through the fascial lines and resets your posture.
The Role of Fascia and Your Running
As I mentioned earlier, running loads fascia in a repetitive, linear pattern. This strengthens some fascial lines but leaves others under stimulated. That can create imbalances or tightness.
Dusting off the foam roller and adding in a myofascial release routine will definitely result in an improvement in flexibility and reduce stiffness. If you are not keen on the foam roller, add in yoga or pilates to your routine as these routines take you through a full body movement including rotation, side bending and extension that running lacks. Alternatively, crank up the music and dance around the living room!
Most importantly, do not neglect your hydration. A hydrated fascial network absorbs impact better, reduces injury risk and improves flexibility, which makes running easier and more enjoyable. Be careful not to overdo caffeine and alcohol as these are diuretics and will increase fluid loss. You do not need to give them up completely but just be aware of their effect.
For people who sweat heavily, train often or drink a lot of coffee, adding electrolytes can make a noticeable difference in how your fascia feels.
As runners, aches and pains are part of daily life but now that we understand the role of fascia, we can take steps to reduce some of the stiffness that we feel. Train smartly, rest smarter and hydrate, hydrate, hydrate.
For more running related advice check out our website or our range of running books.
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