A strength coach reveals the amount of muscle retention time that separates strong cores from the rest
Most people don’t think of their core when they think of strength. They think hands, maybe feet. But if you’ve ever suffered from a sore leg or felt your leg tire halfway through a run, you’ve already experienced what happens when the core isn’t pulling its weight. I see it all the time. Someone remains active, doing a lot right, but their side and middle do not have the power to stay the same.
And here it gets fun. Many of them don’t show up in big lifts or flashy movements. It shows how long you can hold the position. are you hip stay level? are you throats stay busy? are you original keep everything in place without you having to constantly adjust? This is something that carries over into real life.
That’s why I love using money. It’s simple and it tells the truth very quickly. You lie down and hold your hips up. No distractions. Don’t rush through the repetitions. Only you maintain the tension. The amount of time you can stay there without changing your position will give you a really clear view of your core strength.
Why saving money is more important than people think


The bridge hits your hamstrings, hamstrings, and core at the same time. This combination is important because these muscles work together to support your spine and control your hips. As they do their job, your movement will become more connected and more stable.
The base of the bridge is also the same isometric holdtherefore, your muscles are under tension all the time. This creates different levels of strength. Instead of passively lifting and lowering, you hold, stabilize and hold everything where it should be. This includes walking, standing, and anything that requires your body to hold a position for more than a few seconds.
You will also immediately feel that something is fading. Your legs may drop a little. Your lower back may try to take over. Or you just feel the tension running through your throat. Being able to maintain a clean bridge without these changes tells you that your bones and joints are working as they should.
How to establish a strong financial position
Many people rush this exercise or turn it into a lower back exercise that they don’t realize. Setting makes all the difference here.
How to do it:
- Lie on your back, bend your knees and place your feet on the floor about hip-width apart.
- Place your arms at your sides with your palms facing down.
- Strengthen your core, strengthen your midsection before moving.
- Press through your heels and lift up your shoulders, knees, and elbows.
- Squeeze your glutes and keep your ribs down so your lower back is neutral.
- Hold your position while breathing steady and keep it at your level.
Best options: Single leg bridge, Walking bridge, High leg bridge, Bandage bridge hold, Hip hold.
Where do you gather?


This only works if you have a clean position the whole time. Once your hips drop down or grab your back, you’re done.
- In less than 30 seconds: The starting point
You learn awareness and learn how to hold a position.
- 30 to 60 seconds: Hard base
Your muscles and joints work together to support daily movement.
- 60 to 90 seconds: Strongest
You have good control and can maintain tension as things get tougher.
- 90+ seconds: Stronger than 90% of peers
This is the level where you separate yourself. Your hips stay level, your hamstrings stay active, and your core keeps everything in place without shifting.
How to build a bridge that lasts


Building a stronger currency It comes down to developing tension that you can hold, not just for longer periods of time. The goal is to keep the feet stable, the core active, and the core supporting the posture from start to finish. When this is maintained, the strength built here transfers to how the body moves throughout the day.
- Practice Bridges Consistently: Two to three sets a few times a week will help build both strength and endurance without overdoing it.
- Establish your position before lifting: A strong arch and proper foot placement creates better tension and more effective retention.
- Keep working the right muscles: The hamstrings and hamstrings should drive the movement while the back remains neutral.
- Maintain consistency throughout storage: Keeping the ribs down and level with the hips helps to maintain proper posture when fatigue increases.
- Use shorter, more manageable sets: A few holds of strong form will build better endurance than a single effort.
- Progressing to single leg options: These improve control and eliminate side differences over time.
- Back it up with other hip-focused exercises: Step-ups, split lunges, and hip thrusts all help maintain a stronger, more stable bridge.
- Be consistent over time: Regular exercise leads to better coordination, stronger muscle recruitment, and longer, more controlled endurance.
If you can hold a power bridge for more than 90 seconds in a steady position and your hamstrings are fully engaged, you’re doing really well. This shows that your core and legs can stay connected and support you without breaking when the going gets a little tougher.
Quotes
- Oranchuk, Dustin J. et al. “Isometric training and long-term adaptation: Effects of muscle length, tension and intention: A systematic review.“Scandinavian Journal of Medicine and Science in Sports Vol. 29.4 (2019): 484-503. doi: 10.1111/sms.13375
- Lehechka, BJ and others. “Building a better gluteal bridge: Electromyographic analysis of hip muscle activity during modified single leg bridges.” International Journal of Sports Physical Therapy Vol 12.4 (2017): 543-549.
Jarrod Nobbe, MA, CSCS
Jarrod Nobbe is a USAW National Coach, Sports Performance Coach, Personal Trainer and Author and has been involved in the health and fitness industry for the past 12 years. More about Jarrod




