
Lengthening your muscles is important for improving your posture, preventing injury, and alleviating pain. While stretching is important for keeping your joints mobile, it is a common misconception that it lengthens your muscles. In fact, current evidence suggests that eccentric training is a more effective way of lengthening your muscles. This involves lengthening your muscles while they are under tension or load, which creates new muscle units in series, thereby increasing muscle length.
| Characteristics | Values |
|---|---|
| Type of exercise | Eccentric strengthening |
| Eccentric strengthening | Lengthening a muscle while under tension or load |
| Other names | The "negative" phase of a lift or exercise |
| Examples of exercises | Nordic hamstring curls, tempo squats |
| Benefits | Improves joint range of motion, improves muscle fascicle length, reduces pain, improves force production, increases power output, decreases risk of injury, improves posture, prevents injury, alleviates pain |
| Yoga | A form of active stretching with the additional benefit of some strengthening |
| Pilates | Elongate muscles while working them, stretch and balance rather than compress |
| Muscle lengthening | Improve posture, prevent injury, alleviate pain |
| Stretching | Keep joints mobile, keep musculature balanced, keep body agile |
| Deep belly breathing | Lengthen pelvic floor muscles so they remain strong and flexible |
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What You'll Learn

Eccentric training
An eccentric contraction is the motion of an active muscle while it is lengthening under load. Eccentric training is repetitively doing eccentric muscle contractions. For example, in a biceps curl, the action of lowering the dumbbell back down from the lift is the eccentric phase of that exercise. During the eccentric phase, the external force of the weight, or gravity, is greater than the force you generate to move it. This is why eccentric training is also known as completing "'negative' reps".
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Yoga and Pilates
Through regular practice of Yoga and Pilates, individuals can improve their flexibility and range of motion, which may give the appearance of longer muscles. This is because the body becomes better at dealing with the discomfort of being in a stretched position, not because the muscles themselves have grown longer. The increased flexibility and body awareness gained through these practices can also help prevent injury and improve overall physical performance.
While Yoga and Pilates can be excellent for improving flexibility, strength, and body awareness, they may not be the most efficient methods for building muscle mass or achieving a "lean" appearance. This is because they focus on low-impact movements and do not burn many calories. To achieve a lean appearance, nutrition and proper calorie intake are more important factors than exercise. Additionally, strength training with free weights or resistance bands may be more effective for lengthening muscles and improving leanness.
In conclusion, while Yoga and Pilates may not literally lengthen muscles, they can improve stretch tolerance, flexibility, and range of motion, which can lead to improved physical performance and a more efficient, graceful body. For individuals seeking to build muscle mass or achieve a lean appearance, a combination of strength training and proper nutrition may be a more effective approach.
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Strengthen pelvic floor muscles
While it is a common belief that stretching helps to lengthen muscles, current evidence suggests that eccentric training is a more effective method. Eccentric training involves creating new muscle units in series, thereby increasing muscle length. It also strengthens the tissue, allowing it to create more force at a greater angle, which improves performance and reduces the risk of injury.
One example of eccentric training is the Nordic Hamstring Exercise, which strengthens the hamstring eccentrically, increases the force it can produce, and reduces the risk of injury. This type of exercise improves the tissue's ability to contract while lengthening, which is integral to most movements during sports and daily activities.
Now, to strengthen your pelvic floor muscles, you can try Kegel exercises. These exercises help to strengthen the muscles that support your bladder, bowel, and vagina or penis. Weak pelvic floor muscles can lead to issues such as leaking urine or accidentally passing gas or stool. To perform Kegel exercises, you should tighten and then release the muscles in your pelvic floor. You can locate these muscles by trying to stop the flow of urine when you're sitting on the toilet. Once you've located them, squeeze and lift, ensuring that your abdomen, buttocks, and thighs remain relaxed. Hold the contraction for about 5 seconds, then release and relax for another 5 seconds. Repeat this process 10-15 times, aiming for three sets per session.
In addition to Kegel exercises, you can try the bridge pose. This yoga pose targets the pelvic floor and engages the core and glute muscles. To perform the bridge pose, lie on your back with your knees bent and feet hip-width apart. Place your arms at your sides, palms facing down, and inhale while lifting your hips towards the ceiling, engaging your pelvic floor muscles. Hold the pose for 10-15 seconds, then slowly lower your hips back to the floor and repeat for 10-15 repetitions.
Another exercise that can help strengthen the pelvic floor is the bird-dog. This exercise activates multiple muscle groups, including the pelvic floor. To perform the bird-dog, start on your hands and knees, aligning your wrists under your shoulders and your knees under your hips. Keep your back straight, engage your core muscles, and retract your shoulder blades down toward your hips.
It is recommended to perform pelvic floor exercises 2-3 times a week for optimal results, and you may start to notice improvements within 4-6 weeks. Remember to consult a healthcare professional before starting any new exercise regimen, especially if you have pre-existing health conditions.
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Improve flexibility
Improving flexibility is a great way to increase your range of motion, reduce joint pain, and improve your athletic performance. Here are some ways to improve flexibility:
Static Stretching
Static stretching involves holding a stretch in a fixed position for a certain period of time. To do this effectively, start by warming up with a low-intensity activity like walking for 5-10 minutes to get your muscles ready for stretching. Then, assume a stretch position and hold it for 15 to 30 seconds without bouncing, as this can risk injury. Repeat this process 2-4 times for each stretch, focusing on areas that are particularly tight. For example, if you sit at a desk all day, you may benefit from stretching your chest and hips.
Dynamic Stretching
Dynamic stretching involves active movement and is typically done before strength training as a warm-up. These types of stretches can help improve your range of motion and reduce the risk of injury. Some examples of dynamic stretches include leg swings, arm circles, and torso twists.
Yoga and Pilates
Yoga and Pilates are forms of exercise that combine stretching and strength training. Yoga, in particular, is a great way to actively stretch and strengthen your body, improving your flexibility and balance. Pilates focuses on elongating muscles while working them, which can help improve flexibility and prevent injuries.
Eccentric Training
Eccentric training involves lengthening a muscle while it is contracting. This type of training can increase muscle length and strength, improve your range of motion, and reduce the risk of injury. An example of an eccentric exercise is the Nordic Hamstring Exercise, which helps to strengthen the hamstring eccentrically and can also reduce the risk of injury.
Foam Rolling
Using a foam roller on your muscles can increase circulation and improve flexibility. Roll the targeted muscle group up and down with the foam roller 3-4 times and then rock your leg side to side on the roller a few times. This technique is especially effective on the thighs.
Remember, it's important to start slowly and listen to your body. Improving flexibility takes time and consistent practice.
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Lengthen hamstrings
Lengthening the hamstrings is a great way to improve flexibility and reduce the risk of injury. The hamstrings are a group of three muscles in the back of the thigh that run from the hip to the knee and are used in everyday movements like walking, running, and jumping.
There are several ways to lengthen the hamstrings, including stretching and strength training. Some sources suggest that stretching is an effective way to lengthen the hamstrings and improve flexibility. For example, a standing hamstring stretch can be performed by placing your foot on a chair and keeping your leg straight. You should feel a stretch behind your knee and in the back of your thigh. To increase the intensity of the stretch, you can push your leg downwards into the chair.
Additionally, yoga and Pilates are often recommended as effective ways to lengthen muscles while also providing the benefits of strengthening and improving balance. For example, a hamstring stretch in yoga can be done by sitting on the floor with your legs stretched out in front of you and reaching for your toes.
However, other sources suggest that eccentric training is a more effective way to lengthen muscles than stretching alone. Eccentric training involves creating new muscle units in series, which increases muscle length. The Nordic Hamstring Exercise is an example of an eccentric exercise that can help lengthen the hamstrings, increase force production, and reduce the risk of injury. This exercise involves eccentrically contracting the hamstring muscles to control the speed of lowering your body towards the ground.
It's important to note that the amount of lengthening achievable may depend on factors such as the muscle's initial length, its training status, and the amount of time dedicated to training. Additionally, while lengthening the hamstrings can have benefits, it's important not to overstretch, as this can lead to injury.
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Frequently asked questions
Eccentric strengthening is when a muscle lengthens while under tension or load. It is referred to as the "negative" phase of a lift or exercise. For example, during a bicep curl, the eccentric phase occurs when the weight is being lowered in a slow and controlled manner. The bicep muscle lengthens while resisting the weight in your hand.
Eccentric strengthening increases joint range of motion and muscle length. It also has longer-lasting effects compared to other exercises. It can be used for rehabilitation and injury prevention, as well as pain relief, improved force production, and increased power output.
Stretching helps to keep your joints mobile, your musculature balanced, and your body agile. When your muscles get shortened, they limit your mobility and your ability to develop stronger, balanced muscles. Stretching also helps to decrease your brain's threat response, allowing the muscle to stretch further.
Some common examples of eccentric exercises include Nordic hamstring curls, tempo squats, and the Nordic Hamstring exercise. Yoga and Pilates are also great ways to combine stretching and strength training.




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