Oblique Sling Exercise Progressions and Assessment

Oblique Sling Exercise Progressions and Assessment

Slings (also referred to as chains and/or loops) are a functional component of the musculoskeletal system. If we think of our torso as a core cylinder, there are multiple slings that wrap around the cylinder in different orientations. The cylinder depends on strength and balance from the slings to provide a stable foundation. This article will cover a brief overview of the sling systems, as well as cover the anterior and posterior oblique sling exercise progressions and assessment!

Muscle Anatomy of the Core Cylinder Slings

So why are slings importantโ‰ย The bodyโ€™s core cylinder depends on the slings to facilitate dynamic movement and stability across multiple joints throughout the bodyโ€ผSlings help to transfer force through the trunk and facilitate rotational movements. It is the muscular and myofasical components of slings that make powerful baseball/cricket pitches, baseball/golf swings, and lacrosse/hockey shots possible.

โ€ผThis information is based on a functional school of thought viewing the musculoskeletal system. This post does not include every myofasical line/meridian described elsewhere. We did not go into depth describing the respected myofascial components of slingsโ€ผ

 

Anterior and Posterior Oblique Sling Assessment

As physios, assessing muscle function in our clients is one of our biggest tools for determining tissue source like contractile vs non-contractile tissues, the extent of theย pathology like myotome screening, or muscle weakness. Newer research has shed light that side to side differences can only be detected by manual muscle testing if strength is at a minimum less than 75% of the other side, meaning that:

โ€ผ MMTs are a TEST OF WEAKNESS rather than a TEST OF STRENGTHโ€ผ

Even so, MMTs still holds significant value in the scenarios listed above and should be in the repertoire of every practicing clinician. Because muscles NEVER work in isolation, wouldn’t it be important to assess if a PATTERN is weak? Rather than a specific muscle?

We sure think so, and thatโ€™s why we’ve fallen in love with the anterior and posterior oblique sling MMT shown in the video. It’s particularly useful with athletes who most need the rotational strength and stability required in sports. Try it on your athletes and you’ll be surprised at the HUGE side to side differences you may find. In many sports where one arm or leg is dominant like baseball pitchers, it may be expected that one pattern and sling is “stronger” than the other. However, in other sports while bilateral patterns are necessary and movement coordination/strength should be similar like in tennis, hockey, soccer, you would expect that each side performs similarly when tested. Try it out with your athletes and let us know what you find!

 

Posterior Oblique Sling Exercise Progressions

Shown in this video clip is a 4 step progression for the POSTERIOR OBLIQUE SLING. The posterior oblique sling consists of the latissimus dorsi muscle, the opposite side gluteus maximus muscle, and the interconnecting thoracolumbar fascia. This sling crosses at the level of the lumbosacral junction and provides what is known as force closure to the sacroiliac (SI) joint. Force closure provides stability to the SI region by allowing it to distribute load between the lower extremities, spine, and upper extremities. This force closure allows for coordinated movement for activities such as walking, climbing stairs, and just about every single sport-specific movement.

Take throwing for instance: energy is generated in one body region (the legs), transferred through the hips/pelvis, and released through the upper extremity (hand) to deliver a pitch that can be released at over 100 mph. Thatโ€™s a lot of power that needs to be generated and transferred effortlessly from one body region to another. That power transfer is where myofascial slings come in.

To Perform:

Progression I: Begin in the quadruped position. Perform hip extension using the glute on one side and shoulder extension on the other side using the lat.

Progression II: Progress into a half kneeling position. Focus on driving your front heel into the ground to maintain stability.

Progression III: Next, work into a lunge position. You can hold the lunge position or work through the range of motion. Make sure to keep your weight forward.

Progression IV: Last but not least, incorporate a step up. Really focus on the end position here. Fully squeeze the glutes at the top and come to terminal hip extension while the shoulder is fully extended.

 

Anterior Oblique Sling Exercise Progressions

The anterior oblique sling consists of the external and internal obliques, the opposite side adductor muscle, and the connecting adductor abdominal fascia. The anterior oblique sling plays a huge role in accelerating and decelerating the body during sport-specific movements including change of direction. While most exercises like planks or crunches can strengthen isolated sections of the anterior oblique sling, it is most beneficial to progress into dynamic training utilizing myofascial slings.

Shown in this video is one of my favorite progressions of anterior oblique sling training! To perform:

Progression I: Begin in supine. Maintain an isometric squeeze of a ball in between your legs. The most important part of the curl up is that the motion and power come from the bottom up. Think of activating the adductor first, then the internal oblique, then the external oblique. Remember: you are curling up from your legs, NOT curling down from your torso.

Progression II: Progress to tall-kneeling. The same rules apply as above. Notice the order of movement. Pelvis, torso, arms. Bottom up again.

Progression III: Move to half-kneeling. Use a theraband to provide some resistance into hip adduction.

Progression IV: Finally, assume a split stance. The same rules apply. Bottom up. Use a theraband for resistance. These exercises should hit your core much differently than traditional core training. Pay attention to your order of recruitment. Remember โ€“ bottom up, not top down!

ย Liked this article? READ: Partner Core Workout Series

 

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20 Comments
  • Brittany
    Posted at 19:37h, 11 April Reply

    Iโ€™ve learned about this concept in the clinic, but are there specific sources or research articles you found this information in? Would love to be able to cite this as evidence for a class

    • Michael Lau
      Posted at 15:30h, 28 April Reply

      “research” is very scare for slings as its more of a theoretical approach. Sorry we can’t direct you anywhere!

      • Monty
        Posted at 07:59h, 11 July Reply

        Look at Vladamir Janda’s work on upper and lower crossed syndromes.

    • Tamara Bonarrigo
      Posted at 11:53h, 21 April Reply

      Look for the work of Andry Vleeming

  • Monty
    Posted at 08:02h, 11 July Reply

    Look at Vladamir Janda’s upper and lower crossed syndromes.

  • couples bracelets
    Posted at 01:56h, 08 August Reply

    Can you tell us more about this? I’d want to find out some additional information.

  • alu foldeknive
    Posted at 08:48h, 22 August Reply

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  • Ruth Boyle
    Posted at 23:51h, 12 December Reply

    It has been explained very simply.very easy to carry out these exercises.Thank you for updating my knowledge.

  • Anis
    Posted at 02:14h, 26 January Reply

    Hi friends! just wanna make sure here. am I extending the overactive lat and overactive hamstring? thanks!

  • Chappy wood
    Posted at 19:45h, 02 February Reply

    Quick question: So when I find a sling issue, do I prescribe unilateral exercises? After I muscle activate of course. Is there a rx like 1×10 of each progression or 3×10 of 1st then progress next session?

    • Michael Lau
      Posted at 08:46h, 06 February Reply

      It really all depends on what your goal is when it comes to sets and reps. I’m a big fan of high reps when learning a movement like 15+

  • CHRISTIAN ARIAS
    Posted at 10:02h, 19 February Reply

    Just wondering if you could provide your references please

  • Gene
    Posted at 13:24h, 22 March Reply

    Great article. If people are looking for more reading material on slings/meridian lines, read Anatomy Trains.

  • Yaasar
    Posted at 23:39h, 26 March Reply

    Please look at Anatomy Trains by Thomas Myers for muscle slings or chains.

  • Yaasar
    Posted at 23:41h, 26 March Reply

    Also look at research papers by Snijders and Vleeming for pelvic girdle muscle slings. If my memory serves me right, they were the first or one of the first to talk about this.

  • Mark
    Posted at 07:01h, 28 April Reply

    Is the progression supposed to be completed over weeks, as strength builds at each phase, or is the entire progression set 1-4 completed every time?

    • Michael Lau
      Posted at 08:56h, 12 May Reply

      Up to you/your client! Everyone will be different. The point of the article is to just draw attention to the different progressions and to give ideas, they could be done all at once and build up, or weeks at a time. No right/wrong answer here

  • Alyson Friedlander
    Posted at 04:18h, 09 August Reply

    Great information! How would you work these into a program for the general population? Most of my clients are middle aged and donโ€™t have specific goals other than staying healthy and strong – would it make sense to use these progressions and how would I explain why I am putting them into their back without? Sorry, lots is questions… Iโ€™m an over thinker ๐Ÿ™ƒ.( Ps – I have a hard time creating a program that has progressions and direction.)

    • Michael Lau
      Posted at 07:38h, 14 August Reply

      Ultimately your exercise prescription needs to directly relate to your patient’s goals. So as long as you relate them to your patient’s goals, you are golden!

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