Flexing
2 videos tagged with this topic.
07:35
Flexors, Extensors, Interossei and the Bigger Picture
A very informative bit on our playing aparathus
Kiddie Craft Demo Series
06:34
Lesson II-7-Freddie Flexor Helps Handy Harry Crawl like a Centipede
We also learn a difference between curling, flexing, bending and curving