Like oysters and mussels, clams are bivalves, a kind of mollusk that's encased in a shell made of two valves, or hinging parts. And that shell comes in all different sizes. There are small clams ...

Look towards your belly button to avoid neck strain. Switch legs and repeat. For more intensity, use a resistance band. 3. Clam Shell and Reverse Clam Shell Lie on your side with legs together and ...

Geoduck (pronounced “gooey-duck”) is a clam with an oversized siphon (some people call it the neck) that bears an ... and body are so large that the shell can’t close tightly.