Fascia
Question # 1
What is fascia?
A fascia is a layer of fibrous tissue. A fascia is a structure of connective tissue that surrounds muscles, groups of muscles, blood vessels, and nerves, binding some structures together, while permitting others to slide smoothly over each other.
https://www.physio-pedia.com/Fascia
Fascia is a stringy, white substance made mostly of collagen.
Collagen is a type of protein that provides strength and flexibility. Fascia is soft, loose and made up of multiple layers.
https://my.clevelandclinic.org/health/body/23251-fascia
When fascia is healthy, it stretches with you as you move.
If fascia is unhealthy, it can get thicker, stickier, drier, and tighter.
https://www.webmd.com/a-to-z-guides/what-is-fascia
Fascia is a layer of connective tissue below the skin. It connects all parts of the body.
https://www.webmd.com/a-to-z-guides/what-is-fascia
Question # 2
How can you train fascia?
Roll body part, for example your arm, on a fascia roller
.
Fascia rollers made of foam may help stretch and loosen restricted fascia, so the muscles and joints under them can move freely without pain.
https://stronglifechiropractic.com/foam-rolling-for-myofascial-release-does-it-really-work/
Do stretching exercises.
That makes your fascia more flexible.
https://my.clevelandclinic.org/health/body/23251-fascia
Move around as much as possible.
https://my.clevelandclinic.org/health/body/23251-fascia