Creases and ridge flexion could also be described as folding and bending.
Ridge characteristics in fingerprints can be found in the form of features like ridge endings, bifurcations, dots, islands, and creases. These unique patterns are useful for individual identification and can be located in the minutiae points within the fingerprint.
loop. it the ridge comes in and ends pointing toward the ulna (bone in arm aligned with little finger), it is an ulnar loop. if the loop comes in and ends pointing toward the radius (bone in arm aligned with thumb), it is a radial loop. Radial loops are quite rare, occurring in around 4% of loops.
It is Flexion and Extension
list movements for trunk flexion
plantar flexion and knee flexion
Plantar flexion occurs in your feet.
balance
balance
Flexion (noun) = the action of bending or the condition of being bent, especially the bending of a limb or joint. "flexion of the fingers"
Elbow flexion, shoulder flexion and supination of the forearm.
The optimal angle for shoulder flexion when performing exercises that require 90 degree shoulder flexion is 30 degrees.
contract shorten shrink sever