Do Lymphatic Jumps Really Work?

A woman online committed to 100 lymphatic jumps a day for 100 days and shared how it changed her life. I was asked what I think of it as a Chinese medicine practitioner. My answer is simple: jumping 100 times a day is actually one of the best things you can do for your health, and you do not even need to jump that hard. Movement like this is a very old idea in Chinese medicine, and modern research is starting to catch up with it.

Why is jumping good for the lymphatic system?

Because your lymphatic system has no heart of its own. Lymph, the clear fluid that drains out of your tissues and carries immune cells to your lymph nodes, moves through a combination of small rhythmic contractions in the walls of the lymph vessels and outside forces that squeeze those vessels: your muscles contracting, your joints moving, your breath changing pressure in your chest.^[1] One-way valves inside the vessels stop the fluid from sliding back.^[1]

That is why movement matters so much for lymph. In most of the body, lymph has to travel uphill against a pressure gradient to get back to the bloodstream, and it relies on both its own vessel contractions and those outside forces to do it.^[2] A body that sits all day leaves its lymph with very little help.

Every small jump contracts your calves, thighs and abdomen, flexes your joints and deepens your breath. A hundred of them is a hundred squeezes on the system.

What happens to lymph flow when you exercise?

It increases, and you can see it. In 2025, researchers in Japan used ultrasound to watch the thoracic duct, the largest lymph vessel in the body. In 20 people, its maximum diameter went from 2.69 mm at rest to 3.41 mm after exercise, a sign of more lymph arriving from the rest of the body.^[3]

Simple, targeted lymphatic exercises also change lymph fluid levels in people whose drainage is impaired. In a study of 30 breast cancer survivors with persistent lymphatic pain or swelling, lymphatic exercises reduced pain, swelling and the measured lymph fluid level in the arm.^[4] These were gentle movements, not hard training.

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How many jumps a day for lymphatic drainage?

A hundred is a good number, and you do not need to jump hard to get the benefit. Small, springy bounces are enough; the goal is rhythm, not height.

Bone research shows how much a short daily dose of small impacts can do. In a randomised trial, healthy premenopausal women did 50 multidirectional hops on one leg, either 0, 2, 4 or 7 days a week, for six months. The hops produced ground forces of only 2.5 to 2.8 times body weight. Women who hopped every day gained 1.8% in bone density at the femoral neck of the hopping leg, while less frequent hopping did not produce that gain.^[5] Daily was the dose that worked.

Older bodies respond too. In men averaging 70, a year of brief daily hopping on one leg increased cortical bone mass across the hip by 2.7% and inner trabecular bone density by 6.4%.^[6]

In Chinese medicine terms, this is about keeping fluids moving. When qi flows, the body fluids flow with it; when qi stagnates, fluids collect as dampness and swelling. Jumping moves qi and fluids through the whole body at once.

What are the benefits of shaking qigong?

Shaking is a traditional form of qigong exercise used in Chinese medicine to promote lymphatic movement, loosen up your joints and help with connective tissue tension, which is a big part of what keeps people from being in chronic pain all of the time.

You can see it in one of the most widely practised qigong sets, the Baduanjin or Eight Brocades. Its final movement is rising up onto the balls of the feet and dropping gently back onto the heels, and the traditional verse for it says that jolting the back seven times makes the hundred illnesses disappear. That is a small jump and a calf raise in one movement. Other schools use whole-body shaking, sometimes called shaking the tree. I go through several of these practices in the best qigong exercises for beginners.

How does shaking help connective tissue and chronic pain?

Your connective tissue, the fascia, is now described as a body-wide, layered network. Some layers are dense collagen that carries tension; others are rich in hyaluronic acid, a slippery, viscous substance that lets those layers glide over each other.^[7] Deep fascia is richly supplied with nerves, and in chronic pain states it has been found thickened, with more blood vessels and inflammatory cells.^[8] Tissue that is meant to slide and instead stays tight and stuck is tissue that hurts.

Shaking works on exactly this: small rhythmic impacts move the joints, stir the fluid between tissue layers and signal the body to let go of held tension. Chinese medicine has a phrase for the result: where there is free flow, there is no pain; where there is no free flow, there is pain.

The research on qigong for chronic pain supports this. A 2025 network meta-analysis of 29 randomised trials with 3,803 people with chronic low back pain compared qigong, tai chi, Daoyin and yoga, and found that qigong ranked best of the four for reducing pain and for improving physical function.^[9] In fibromyalgia, a 2026 meta-analysis of 21 trials with 1,155 patients found that mind-body exercise, including qigong and tai chi, improved quality of life, pain, sleep and depression, with low-intensity practice looking especially helpful for pain and sleep.^[10]

Do seated calf raises after eating lower blood sugar?

Yes. There is a very interesting research study on activating the soleus muscle. The soleus is one of your deepest calf muscles, sitting underneath the larger gastrocnemius, and working it with seated calf raises right after eating really improves blood sugar regulation.

The study came from Marc Hamilton's lab at the University of Houston in 2022. At rest, all your muscles together account for only about 15% of the body's oxidative use of glucose. The soleus is different. It is a slow, oxidative muscle built to burn fuel from the blood, and during a seated, soleus-focused heel raise it could keep its metabolism high for hours without tiring, even in unfit volunteers. Biopsies showed it used very little of its own stored glycogen.^[11]

The results were large. Working a muscle that makes up only about 1% of body mass cut the rise in blood sugar after eating by 52%, roughly 50 mg/dL less between one and two hours, with 60% less excess insulin.^[11] The researchers called it the soleus push-up.

Does the soleus push-up help prediabetes?

It has been shown to help people who are prediabetic, and it is going to help people who are otherwise healthy too. The study I referenced in the video is a 2025 pilot study of ten adults with prediabetes, average age 53. They first did a standard glucose tolerance test sitting still, then repeated it while doing seated soleus push-ups. Doing the exercise cut the rise in blood glucose by about 32% compared with sitting still, and it worked whether or not they had electronic feedback telling them how hard the muscle was working.^[12] It can be done at home or at work.^[12]

Hamilton's original volunteers were sedentary adults, not people with a diagnosis, which is why I say this is for healthy people as well.^[11]

Should you jump right after eating?

I do not recommend jumping right after you eat. Going for a short walk after meals will accomplish much the same. In Chinese medicine the Spleen and Stomach need a settled body to transform food, and bouncing on a full stomach works against that. There is an old Chinese saying: walk a hundred steps after a meal and you will live to ninety-nine. I have written before about a 10-minute walk after meals as one of the simplest Chinese medicine remedies there is.

The research agrees on timing. A 2023 meta-analysis of randomised trials in people with and without type 2 diabetes found that exercise after a meal, mostly walking, reduced the blood sugar rise compared with exercising before eating or not exercising at all, and that the sooner after the meal the activity began, the bigger the effect.^[13] Its title borrows the old proverb: after dinner rest a while, after supper walk a mile.

In a crossover trial of 41 adults with type 2 diabetes, advice to walk for 10 minutes after each main meal lowered post-meal blood sugar more than advice to walk 30 minutes once a day, with the same total walking. After the evening meal, blood sugar was 22% lower.^[14] Light walking breaks during long periods of sitting also lower post-meal glucose and insulin, and do better than standing breaks.^[15]

How to do lymphatic jumps

Questions people ask

Do lymphatic jumps really work?

Yes. Lymph depends on muscle contraction and movement to flow, exercise visibly increases flow through the body's main lymph duct, and gentle lymphatic exercises lower lymph fluid levels in people with impaired drainage.^[1][3][4]

How long should you jump for your lymphatic system?

A hundred light jumps takes about two minutes. The bone research points to doing a short session every day rather than a long session now and then.^[5]

Can you do calf raises sitting down?

Yes, and for blood sugar the seated version is the point. Sitting puts the load on the soleus, the muscle behind the soleus push-up results.^[11][12]

Small movements, done every day, keep the fluids flowing, the tissue soft and the blood sugar steady.

— Brehan Crawford, L.Ac.

References

1. Breslin JW. Lymphatic Clearance and Pump Function. Cold Spring Harb Perspect Med. 2023;13(2):a041187. doi:10.1101/cshperspect.a041187
2. Scallan JP, Zawieja SD, Castorena-Gonzalez JA, Davis MJ. Lymphatic pumping: mechanics, mechanisms and malfunction. J Physiol. 2016;594(20):5749-5768. doi:10.1113/JP272088
3. Shinaoka A, Kimata Y. Lymphatic flow dynamics under exercise load assessed with thoracic duct ultrasonography. Sci Rep. 2025;15(1):14323. doi:10.1038/s41598-025-99416-8
4. Fu MR, McTernan ML, Qiu JM, et al. The Effects of Kinect-Enhanced Lymphatic Exercise Intervention on Lymphatic Pain, Swelling, and Lymph Fluid Level. Integr Cancer Ther. 2021;20:15347354211026757. doi:10.1177/15347354211026757
5. Bailey CA, Brooke-Wavell K. Optimum frequency of exercise for bone health: randomised controlled trial of a high-impact unilateral intervention. Bone. 2010;46(4):1043-1049. doi:10.1016/j.bone.2009.12.001
6. Allison SJ, Poole KE, Treece GM, et al. The Influence of High-Impact Exercise on Cortical and Trabecular Bone Mineral Content and 3D Distribution Across the Proximal Femur in Older Men: A Randomized Controlled Unilateral Intervention. J Bone Miner Res. 2015;30(9):1709-1716. doi:10.1002/jbmr.2499
7. Stecco C, Pratt R, Nemetz LD, Schleip R, Stecco A, Theise ND. Towards a comprehensive definition of the human fascial system. J Anat. 2025;246(6):1084-1098. doi:10.1111/joa.14212
8. De Cassai A, Marrone F, Sun Y, et al. Histology of the fascial planes: a systematic review of the microstructural foundations of regional anesthesia. J Anesth Analg Crit Care. 2025;6(1):5. doi:10.1186/s44158-025-00322-2
9. Xia Y, Hu Y, Ouyang J, Huang R. Four MBE Therapies to Improve Pain Scores, Physical Functioning, and Quality of Life in Patients With Chronic Nonspecific Low Back Pain: Network Meta-Analysis of Randomised Controlled Trials. Eur J Pain. 2025;29(8):e70092. doi:10.1002/ejp.70092
10. Zhang B, Ruan W, Chen H, Ma L, Ma J. Effects of Mind-Body Exercise Therapies on Patients With Fibromyalgia: A Systematic Review and Meta-analysis. J Phys Act Health. 2026;23(5):600-617. doi:10.1123/jpah.2025-0207
11. Hamilton MT, Hamilton DG, Zderic TW. A potent physiological method to magnify and sustain soleus oxidative metabolism improves glucose and lipid regulation. iScience. 2022;25(9):104869. doi:10.1016/j.isci.2022.104869
12. Elek D, Tóth M, Sonkodi B, et al. The Efficacy of Soleus Push-Up in Individuals with Prediabetes: A Pilot Study. Sports (Basel). 2025;13(3):81. doi:10.3390/sports13030081
13. Engeroff T, Groneberg DA, Wilke J. After Dinner Rest a While, After Supper Walk a Mile? A Systematic Review with Meta-analysis on the Acute Postprandial Glycemic Response to Exercise Before and After Meal Ingestion in Healthy Subjects and Patients with Impaired Glucose Tolerance. Sports Med. 2023;53(4):849-869. doi:10.1007/s40279-022-01808-7
14. Reynolds AN, Mann JI, Williams S, Venn BJ. Advice to walk after meals is more effective for lowering postprandial glycaemia in type 2 diabetes mellitus than advice that does not specify timing: a randomised crossover study. Diabetologia. 2016;59(12):2572-2578. doi:10.1007/s00125-016-4085-2
15. Buffey AJ, Herring MP, Langley CK, Donnelly AE, Carson BP. The Acute Effects of Interrupting Prolonged Sitting Time in Adults with Standing and Light-Intensity Walking on Biomarkers of Cardiometabolic Health in Adults: A Systematic Review and Meta-analysis. Sports Med. 2022;52(8):1765-1787. doi:10.1007/s40279-022-01649-4