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Biomechanics and why they are important
-Megathread created by Zygo-
Zygo, what good is improving my biomechanics if it won't improve my appearance at all?
Well, if you had ideal biomechanics, you would achieve:
Lifted, defined contours
Smoother skin surface
Less puffiness and dark circles
Radiant, even-toned complexion
Relaxed, open expression
(You would get all of this from an ideal fascia, and besides, this has already been proven)
And ideal biomechanics gives you the frame (correct skeletal position and force distribution)
-Megathread created by Zygo-
Zygo, what good is improving my biomechanics if it won't improve my appearance at all?
Well, if you had ideal biomechanics, you would achieve:
Lifted, defined contours
Smoother skin surface
Less puffiness and dark circles
Radiant, even-toned complexion
Relaxed, open expression
(You would get all of this from an ideal fascia, and besides, this has already been proven)
And ideal biomechanics gives you the frame (correct skeletal position and force distribution)
To begin with, we must understand what biomechanics is:
-Biomechanics is basically the study of how living things move and why. It asks questions like: why does your knee bend that way when you walk? What happens to your bones when you jump? Why do you get injured when you land wrong?
(Think of it as treating your body like a machine and asking how all the parts: bones, muscles, joints, tendons and etc. work together to move, hold up, and absorb impact)
Now that we understand this rather simplified concept, let's get started with the Megathread
-FASCIA-
-Fascia is a continuous web of connective tissue that wraps around and connects every structure in the body muscles, bones, organs, nerves, blood vessels, and tendons. It provides support, separates and stabilizes tissues, allows them to glide smoothly over one another, and transmits force during movement
-It's divided into three layers:
- Superficial fascia: just under the skin, containing fat, nerves, and blood vessels.
- Deep fascia: a dense fibrous layer that surrounds and compartmentalizes muscles and bones.
- Visceral fascia: wraps and suspends the internal organs
How fascia really works:
Tight fascia:
-Tight fascia is characterized by a shift from the smooth, slippery, hydrated tissue you'd have in an ideal state to something
thicker, stickier, drier, and more rigid
Characteristics:
The ground substance dries out, so layers that should glide freely become "stuck together" like cling wrap
The tissue becomes denser and less elastic, losing its ability to stretch and recoil
Instead of smooth separation between layers, the fascia bonds to itself and to underlying muscle, bone, or nerve
Healthy fascia is a 3D lattice that holds fluid; tight fascia collapses into a flat, compressed sheet
All of this will end up causing you very poor posture, physical pain, and discomfort
Aside from the clearly bad appearance
Ideal fascia:
-Ideal fascia is the mirror image of tight fascia
a hydrated, elastic, freely gliding 3D lattice rather than a rigid, adhered sheet
Characteristics:
The hyaluronan (HA) is present at full molecular weight, binding large volumes of water into a gel-like matrix. Fascia is ~70–75% water by volume in this state
Type I and III collagen fibers are loosely woven with elastin, maintaining the tissue's ability to stretch and recoil. No excessive cross linking
The specialized cells that secrete hyaluronan are active at the sliding interfaces between layers, continuously renewing the lubricating film
The loose connective tissue between dense fascial sheets maintains its normal thickness (~43 µm), keeping layers as independent, gliding planes rather than fused sheets
In essence, it is the exact opposite of tight fascia
And as you might imagine, this fascia will also provide you with an ideal posture, which translates into proper craniofacial development
After learning this, you are probably wondering...
-How to fix your fascia-
-First of all: Move (the single MOST IMPORTANT factor)
Fascia is a hydraulic tissue, it only hydrates when you pump fluid through it.
- Daily walking (even 20 or 30 min) is the baseline
- Slow, multi directional movement spirals, undulations, side bends, rotations, diagonal reaches. This is what actually moves fluid between fascial layers, not just within muscle
- Eccentric strength training (slow, controlled lowering phases) remodels collagen and improves fascial resilience
- Rebounding / bouncing, rhythmic, springy movement is the most effective single motion for fascial hydration
- Avoid long static sitting; stand up and move every 30 min
-Hydration:
- Drink water steadily throughout the day (not one big glass)
- Add electrolytes (sodium, potassium, magnesium), plain water passes through; minerals help cells actually absorb and retain it
- Eat water-rich foods: cucumber, celery, watermelon, leafy greens
- Timing matters: sip before and after movement sessions
-Self-myofascial release:
- Foam rolling 30–60 seconds per area, 2–5 passes. Evidence supports short-term gains in joint ROM and reduced DOMS.
- Tennis/lacrosse ball, for smaller, targeted areas (feet, glutes, upper back, jaw). Hold static pressure for ~90 seconds to let the tissue release
- Massage gun — useful for breaking up localized adhesions before a hydration session.
-Nutrition
- Vitamin C: essential cofactor for collagen synthesis.
- Adequate protein: provides the amino acids for collagen and elastin repair.
- Omega-3s: reduce the low-grade inflammation that drives cross-linking and stiffening.
- Magnesium: helps relax fascial and muscular tone.
- Collagen peptides / bone broth, though direct evidence for "building fascia" is still emerging.
What to avoid (the things that cause tight fascia)
- Prolonged immobility / static postures
- Chronic stress (sympathetic tone keeps fascia contracted)
- Repetitive, single plane motion without variation
- Dehydration
- High sugar / pro-inflammatory diet (accelerates collagen cross-linking)
-How to WALK properly-
Ideal Walking:
- Foot lands soft and under your body
- The leg acts as a spring, the knee flexes slightly on landing to absorb impact
- The hip does the work, the glutes decelerate the swinging leg and drive the body forward
- Trunk is upright and relaxed, slight forward lean is fine, but no hunching
- Arms swing naturally in opposition
Unideal walking (suboptimal):
- Overstriding, the foot lands way ahead of your body, creating a braking force at every step
- Forward head / hunched trunk, from screens and sitting
- Anterior pelvic tilt, glutes asleep, lower back overworked. The gait has a "sway" and the lumbar spine is in chronic compression
- Frozen upper body, arms pinned, shoulders hiked, jaw clenched, breath shallow
- Stiff ankle / locked knee, no shock absorption on landing. Impact transmits straight up the skeletal column
How do i fix this?
- Shorten your stride: foot lands under your hips, not in front. Quick cadence, not long reaches.
- Upright posture: ears over shoulders, ribs stacked over hips, slight forward lean from the ankles
- Wake up the glutes: bridges + banded lateral steps before walking; consciously squeeze the stance glute mid-stride
- Pre-walk drills (2–3 min): high knees, A-skips, lateral band walks, single leg balance
- Address root causes: break up sitting, stretch hip flexors and calves, unclench jaw/shoulders, consider flatter shoes
- Film yourself: side and rear angles, slow-mo. You'll see your own pattern immediately
Thx for reading 
@Mai Sakurajima. @j1gga @Nocturnal @trav191 @Gravitas
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