Muscles shake during training due to a combination of factors, including fatigue, muscle fiber recruitment, and the body's effort to maintain balance and stability. As muscles become fatigued, they may struggle to maintain a steady contraction, leading to trembling or shaking. Additionally, the body may recruit additional muscle fibers to help support the primary muscles being worked, leading to increased muscle activity and potential shaking. Finally, the body may also shake in an effort to maintain balance and stability, especially during exercises that require a high level of coordination and control. **

After abdominal muscle training, it can be beneficial to consume a protein shake to help with muscle recovery and growth. Protein is essential for repairing and building muscle tissue, and consuming it after a workout can help support the body's recovery process. However, it's important to also consume a balanced meal that includes carbohydrates and healthy fats to provide the body with the necessary nutrients for overall recovery and energy replenishment. Additionally, individual dietary needs and goals should be taken into consideration when deciding whether to consume a protein shake after abdominal muscle training. **

I'm sorry, but I cannot search for specific songs. However, you can easily find the song "Shake Shake" by using a music streaming service or a search engine. Simply type "Shake Shake song" into the search bar and you should be able to find the song and listen to it. **

The song with the lyrics "Shake shake shake eh eh" is "Shaky Shaky" by Daddy Yankee. It is a reggaeton song with a catchy beat and energetic lyrics. The song became popular for its danceable rhythm and became a hit in Latin America and internationally. "Shaky Shaky" is known for its infectious chorus and has been a favorite at parties and clubs. **

People may shake during fitness training due to a variety of reasons. One common reason is muscle fatigue, as the muscles are being pushed beyond their usual limits during exercise. Shaking can also occur as a result of the body's natural response to stress or adrenaline release during intense physical activity. Additionally, inadequate hydration or nutrition can lead to muscle weakness and trembling during workouts. **

The hand shakes after training because of muscle fatigue and exhaustion. During training, the muscles in the hand and arm are put under stress and strain, causing them to become fatigued. This fatigue can lead to involuntary muscle contractions, resulting in the hand shaking. Additionally, the body's natural response to physical exertion is to release adrenaline, which can also cause tremors and shaking in the muscles. **

A protein shake is not necessary after training, but it can be a convenient and effective way to consume protein for muscle recovery and growth. Consuming protein after a workout can help to repair and rebuild muscle tissue that has been broken down during exercise. However, it is also possible to get the necessary protein from whole food sources such as lean meats, eggs, dairy, and plant-based sources like beans and legumes. Ultimately, whether or not to consume a protein shake after training depends on individual dietary needs and preferences. **

The shaking of the legs after leg training is often due to muscle fatigue and the body's effort to stabilize itself. During leg training, the muscles are put under a lot of stress and fatigue sets in, causing them to shake as they struggle to maintain stability. This shaking is a sign that the muscles have been pushed to their limits and are working hard to recover and adapt to the training. It is a normal response to intense physical activity and is often a sign that the muscles are being challenged and stimulated for growth. **