of it. A âstatutory hybrid planâ is defined as a âdefined benefit plan that contains a statutory hybrid benefit formula.â2 A âstatutory hybrid benefit formulaâ is, in turn, a benefit formula that is a âlump sum-based benefit formula or a formula that is not a lump sum-based benefit formula but that has an effect similar to a lump sum-based benefit formulaâ.3
Muscle contractions also occur apart from the arm movement in a pushup. These are known as isometric contractions. The muscles are tensioned and exert force, but do not change in length.The muscles of your core, including your rectus abdominis and obliques, isometrically contract during a pushup.uscle contractions also occur apart from the arm movement in a pushup. These are known as isometric contractions. The muscles are tensioned and exert force, but do not change in length.
Quoted from Army FM 7-22: 1  The Push-Up: The push-up event measures the endurance of the chest, shoulder, and triceps muscles. 2  The Sit-Up: The sit-up event measures the endurance of the abdominal and hip-flexor muscles. 3  Two-Mile Run: The two-mile run is used to assess your aerobic fitness and your leg musclesâ endurance.