21. The gluteus maximus covers it in the upright posture, but leaves it free in the seated position. 22. When gluteus maximus is weak / injured, trunk extends ( lean back ) on heel-strike on weakened side. 23. Examples of these muscles include the biceps femoris, gluteus maximus , erector spinae muscle group, trapezius, and posterior deltoids. 24. That and a tight gluteus maximus . 25. :: A vandal ( 199.72.198.46 ) made a redirect link to gluteus maximus and reverted in one minute. 26. Add a quad-speed CD-ROM and a 28.8 modem and you'll have a machine that will kick gluteus maximus . 27. Lieberman, a paleontologist, explained : " Your gluteus maximus stabilizes your trunk as you lean forward in a run. 28. The " gluteus maximus " extends the thigh at the hip in actions like stair climbing, running or walking. 29. The hamstrings flex the knee, and aided by the gluteus maximus , they extend the hip during walking and running. 30. Add a quad-speed CD-ROM and a 28 . 8 modem and you'll have a machine that will kick gluteus maximus .
