flexion
flexion and extension
list movements for trunk flexion
It is Flexion and Extension
Plantar flexion occurs in your feet.
Plantar flexion
plantar flexion and knee flexion
balance
balance
Flexion is movement during which the knees or elbows are bent to decrease the angle of the joint
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.