Martha Graham
I believe you are referring to Myofascial Release Therapy.
The contraction of any peart of heart in ecg is known as polarization. Eg contraction of atria is known as polarization of atria
This is due to contraction of the biceps, and is known as flexion.
it is also known as systol
recession
A severe contraction is referred to as a depression, the type that occurred in 1930s.
A ballet dancer is a person who dances in ballets, also known as a ballerina.
mostly known as the tighting if muscles.
You would've known that if you listened in class.
Contraction
Mithun Chakraborty
it is known as the threshold stimulus usually seen in tonic contraction