Examlex
Which of the following planets has an average density that is less than that of liquid water?
Popliteus
A small muscle located at the knee joint, involved in unlocking the knee by rotating the tibia on the femur when the leg begins to bend.
Pyramidalis
A small triangular muscle located in the lower abdomen, thought to play a role in tensing the linea alba.
Oblique Muscle
Oblique muscles refer to the muscles located on the sides of the abdomen, involved in rotating and side-bending the torso, which are divided into internal and external obliques.
Rectus Abdominis
A major muscle in the front of the abdomen, involved in moving the body between the ribcage and the pelvis and famously known as the "six-pack" muscle.
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