wall sit,
static oblique hold. A static oblique hold workout is a multi-functional exercise that works several different muscles in the oblique region. The main idea is to engage multiple muscle groups in one exercise, but you can also choose a specific muscle group. If you have an imbalance in any muscle group, it can cause problems, such as strain or an odd appearance.
Static holds: squat. For muscle definition and strength, static holds are very effective. These exercises should be performed with the correct reps, sets and time. These exercises increase muscle strength by increasing tension. The muscle's length does not change, but the stress it is under increases. They are therefore recommended for athletes who wish to increase their strength and endurance.
static oblique hold. Static oblique holds are multi-functional exercises that target multiple muscles in the oblique area. Although the main goal is to engage multiple muscles in one exercise, you can also choose to target a particular muscle group. An imbalance in any one of the muscle groups can lead to strain and an unusual appearance.