Problemas
IV IMPORTANT SKELETAL MUSCLES: TRUNK MUSCLES True or false 25. __ The external oblique compresses the abdomen. 26. __ The rectus abdominis flexes the trunk. 27. __ The levator ani closes the anal canal. 28. __ The external intercostals function to elevate the ribs. 29. __ The coccygeus muscles and levator ani form most of the pelvic floor.
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Respuesta
25. True26. True27. False28. True29. True
Explicación
## Step1The external oblique muscle is one of the muscles of the abdominal wall. It compresses the abdomen, which is a true statement.## Step2The rectus abdominis is a long, straight muscle extending along the whole length of the front of the abdomen. It flexes the trunk, which is also a true statement.## Step3The levator ani is a muscle located in the pelvic floor. It does not close the anal canal, but rather supports the rectum and helps maintain continence. Therefore, this statement is false.## Step4The external intercostals are muscles located between the ribs. They function to elevate the ribs during inhalation, which is a true statement.## Step5The coccygeus muscles and levator ani are both part of the pelvic floor muscles. They work together to support the pelvic organs and maintain continence, which is a true statement.