Final answer:
The question involves the sequence of movements of the hips and lumbar spine, emphasizing the importance of good posture and the role of the pelvic girdle in stability. The gluteal muscles including the psoas major, iliacus, and gluteal group are involved in these movements.
Step-by-step explanation:
The question pertains to the movement patterns during physical activities, which involve the hips and lumbar spine. When discussing movements that involve bending or rotating the hips, it is crucial to understand that someone with good posture will maintain their center of gravity directly above the pivot point in the hips. This is important to prevent back strain and disk damage.
The pelvic girdle plays a vital role in stabilizing the body and facilitating movement. It is unlike the pectoral girdle, which is more mobile. The pelvic girdle's immobility and the strength of the gluteal muscles, which move the femur, are foundational for stability as they enable the weight of the body to be transferred laterally through the hip joints into the lower limbs. The gluteal region muscles that move the femur, consisting of the psoas major, iliacus, gluteus maximus, medius, and minimus, are responsible for various actions such as moving the back of the lower legs up toward the buttocks, as when kneeling, moving the thigh down and back, and twisting the thigh inward.