Absolutely! Everyone must hold themselves erect in order to walk and that involves the core muscles of the body which involve the stomach and back.
if you mean are stomach muscles used when you are walking then yes depending on how you walk it you walk fast with arms going up and down with each step then yes
The gluteus muscles are used when walking. They support the upper body in an upright posture.
Running and walking does use the same muscles in the body. Three of the main muscles used in the legs are hamstrings, quadriceps and gluteal muscles.
Stomach muscles
You run or walk with your legs. Your stomach is used to break down food. The two have different muscles to complete different tasks.
Muscles are used for picking things up, breathing, seeing, and/or doing a physical activity, such as walking.
The back muscles are used to stabilize the spine and support the body's posture while walking. They help to maintain an upright position and provide strength for movement.
There are several muscles that are used for walking downhill. These include all of the leg muscles and many abdominal muscles.
The main muscles used while walking are the quadriceps, hamstrings, glutes, calves, and hip flexors. These muscles work together to move the legs and propel the body forward during each step.
The voluntary muscles - those used for walking moving and speaking. As opposed to involuntary muscles such as those in your intestine or heart.
these muscles can move in your stomach in not a referable question pleese comment
A relaxed stomach is when the muscles are not engaged or tightened, while a flexed stomach is when the muscles are contracted and tightened.