Ruk-Kada Strength: Forget Heavy Barbells: Why Sri Lanka’s Newest Fitness Trend Uses Odd-Object Weight

This post is also available in:

Any Colombo gym is equipped with the same equipment. A row of barbells. A rack with dumbbells. Cables and pulley machines and isolation stations for working each muscle individually. And all of it is being worked very hard by people doing bicep curls, leg press sets, and doing chest fly exercises to specific muscles with amazing accuracy.

They exit the gym with one arm heavy with a huge shopping cart, then twist slightly to lock the cart, and feel their lower back complain.

This is the difference between gym and real-life strength. That’s a void that’s now being filled by many Sri Lankan fitness buffs, not by flashy machines but by a different way of doing fitness.

They are practicing using improvised objects. Heavy bags. Loaded sacks. Buckets of water. Market baskets. The weight that real life deals with is out of your control and totally awkward. In Sri Lanka, they are calling it Ruk-Kada strength, the strength that comes from being at the humble corner shop where grocery bags are heavy and unevenly packed and need the entire use of your body to carry.

This is because standard gym training fails to fill in the gaps

The normal gym training program focuses on different muscles wonderfully. The leg extension machine is a leg machine that targets the quadriceps. The cable fly targets the chest. A seated row works your upper back. All exercises are clean, controlled and are exactly what they say they are.

The issue is that life doesn’t separate muscles. If you are carrying a heavy bag of rice from the car to the kitchen, the entire leg, core, shoulders, grip and lower back are involved. In lifting the child, each part of the body works together. Your heart, legs and stability muscles are all working against load when you’re carrying heavy groceries up and down the stairs.

Only well-trained muscles are strong muscles. In fact, when they are asked to coordinate with other muscles under strain (like any physical activity during the day), they are often very weak, surprisingly so.

That’s why people who look physically fit in the gym may not be doing well on the other tasks that less gym-trained, but physically active people do well. The gym was created for each person’s muscles. It was not able to establish links between them.

What is odd about Odd Object Training?

Odd object training involves using weights that are irregular shapes or are not symmetrical, or are awkwardly sized, which requires your whole body to work together to handle the weight. Unlike a heavy grocery bag that shifts, pulls to one side and needs constant adjustment, a barbell is perfectly balanced and held in a fixed, symmetrical position. When you move around, a full water container will slosh and shift its centre of gravity. A sandbag hangs down and tests your grip in a new way compared to that of a soft dumbbell handle.

This instability isn’t a bug; it’s a feature. That’s the point. If you are unable to predict the weight’s behaviour, your stabiliser muscles (small, deep muscles in your core, hips and shoulders – which are not normally targeted in conventional gym training) fire all the time, controlling you and keeping you balanced.

These stabiliser muscles can become a lot stronger after weeks and months of odd object training. And when they are strong, your joints are safe from sudden twists, uneven loads and unanticipated demands that are the main source of all injuries in the real world.

Sri Lankan odd object movements are exercises that cultivate functional strength

Special equipment is not required to be imported. You have everything you need in your home, your market and your neighbourhood for a full odd-object training programme.

The roots of odd object training are the farmer carries. Carry two heavy bags (filled with water jugs, sand or groceries) and take a walk. Keep shoulders back, core tight and steps purposeful. Go 20-30 metres, then come to a halt and repeat. This single action works on multiple planes to increase grip strength, shoulder stability, core endurance and leg strength. It’s the most realistic of all the Gym activities to the actual shopping experience.

Single-arm carries are taken one step further. Carry one single heavy bag in one hand only, so that your core counteracts the lateral forces. It works the lateral core muscles that are almost always ignored in regular gym exercises, but play a key role in protecting your lower back.

However, sandbag carrying and lifting is a natural idea in the Sri Lankan context, which is used by athletes around the world. A big bag of rice or a sack of flour is an ideal choice. Pick it up off the ground and place it on the shoulder. Carry it 10 metres. Lower it back down. Repeat. This movement pattern – hinging at the hips, bracing the core, lifting an irregular shape – is the same pattern that will help your back survive in actual lifts!

Rotational carries are those where the load is carried in the middle of the body, and the body is turned as you walk. It strengthens the rotational core muscles which support the spine in normal twisting or turning activities, such as turning your head behind you, reaching across your body, entering or exiting from a vehicle.

Water container training is available for almost all households in Sri Lanka. A full drinking water bottle (5 or 10 litres) makes a great odd object training aid. Holding at chest height, slowly lower into a squat. Use one hand when walking out to the fields with the farmer. If you want to work on the shoulders, press it over your head. The water sloshing will keep your stabiliser muscles constantly trained with every repetition.

Why is this important as you age?

The traditional gym workout system works well for young bodies that have a high recovery rate and no significant joint sensitivities. Heavy barbell training for older adults in Sri Lanka (above 35 years of age) whose lower back history is not that great, the knee history is not that great, etc. and who suffer from discomfort in the knee or shoulder or are stiff in the lower back from years sitting at a desk, can cause more problems than they solve.

Odd-object training is also more joint-friendly as the loads are not too heavy and the exercises are performed in a way that is consistent with natural body movements. The weight is at your discretion. The range of motion is under your control. And the movements are the same ones that your body already makes in everyday life.

This is the reason why odd-object training can be helpful to develop the exact strength that your body needs for the next 20 to 30 years, not just for the next gym session.

Create your own Ruk-Kada Strength Routine

Start simple. Two to 3 sessions per week. Each session is 30-40 minutes long.

Start with a 5-minute warm-up of walking and arm circles. Progress on to your odd object movements: farmer carries x 4 x 30 metres, single arm carries x 3 x 20 metres each side, sandbag/bag lifts x 3 x 8, rotational core x 3 x 10 each side.

Complete with 5 mins hip flexor and shoulder stretches.

Start off gradually with heavier loads, more repetitions, longer carrying distances, building up your strength week-by-week. This is similar to the progressive overload principle used in a regular gym.

The Bottom Line

Strength in the real world is not achieved by using a machine that isolates muscles. It is constructed using irregular loads that simulate how loads are moved in your body throughout the day. Farmer walks, sandbag carries, water container training, and loaded rotational movements develop strong and coordinated strength without straining the joints, making all things from carrying groceries to playing with kids easier and safer even after 60!

The weights for this training will be found in your kitchen and your market bag! All you have to do is use them.

“Your strongest body is NOT your best looking body in the gym! That’s the one that deals with real life and doesn’t fall apart.”