The frontal attack is usually the least desirable form of maneuver because it exposes the majority of the offensive force to the concentrated fires of the defenders. The battalion may conduct a frontal attack against a stationary or moving enemy force (Figure 4-6).
All of the twelve ribs articulate posteriorly with the vertebrae of the spine. Each rib forms two joints: Costotransverse joint â Between the tubercle of the rib, and the transverse costal facet of the corresponding vertebrae.
deep depression on outer surface of innominate bone, articulates with hemispherical head of femur. sacrum. forms posterior wall of pelvis, 5 fused sacral vertebrae, articulates superiorly with the lumbar vertebra, below with the coccyx and laterally with each hip bone to form the sacroiliac joints. coccyx. forms part of posterior pelvic wall, 4 fused vertebrae that forms.