This action primarily engages the rectus abdominis—the “six-pack” muscle running vertically along the front of the abdomen. Secondary muscles activated include the obliques (both internal ...

While classic crunches engage the abdominal area, they primarily target the rectus abdominis, overlooking other essential core muscles necessary for stability, balance, and aesthetic appearance.

Primarily, planks recruit your transverse abdominus (deep core muscles), rectus abdominis (front abdominal muscle), external obliques (side abdominal muscle), and erector spinae (low back muscles).

They engage the entire core, especially the transverse abdominis and rectus abdominis, giving you that solid foundation for ...

As your uterus expands and your fetus grows, one of these muscles — the rectus abdominis — stretches and separates to make room. This is a condition known as diastasis recti, and while it’s ...

our core muscles like the transverse abdominis, rectus abdominis, and internal and external obliques also pull a lot of weight in the process. Additionally, muscles in our lower body like our ...

Background/aim Diastasis recti abdominis (DRA) is defined as a separation of the 2 muscle bellies of rectus abdominis. To date there is scant knowledge on prevalence, risk factors, and consequences of ...

Uptake of technetium-99m methylene diphosphonate by the rectus abdominis muscle was unexpectedly found in a 29 year old man who had started to perform 30 to 40 sit ups a day for five days before the ...