Stretching and fitness go hand-in-hand. We stretch before we work out to avoid hurting ourselves and pulling muscles. And we stretch afterward to avoid muscle tension later on. Stretching is a great ...

When it comes to working your abs — and, more specifically, your rectus abdominis, which makes up the "superficial core" muscles that give you that six-pack — there are plenty of exercises you can do.

The stronger partner lays on his or her back, holding their partner's ankles and pressing their legs straight up, so your bodies are parallel to each other. The partner on top, who is facing the ...