Fitness after 50: staying strong and independent

Many people reach 50 and start to believe that the best of their body is behind them. Some slowing is real, but a surprising amount of what we blame on age is actually the result of doing less. Muscle shrinks when it is not used, balance fades when we stop challenging it, and the heart and lungs lose capacity when we stop walking far. All of these can be trained at any age, and people who start at 50, 60 or even 80 see clear improvements.

The goal is not a perfect physique. It is independence: carrying your own shopping, climbing the stairs, getting up from the floor, playing with grandchildren, travelling upcountry, and recovering quickly after an illness.

What changes with age

• Muscle mass and strength decline gradually from the thirties, faster after 60 if you are inactive. Power, the ability to move quickly, goes initially.
• Bone density drops, especially in women after menopause.
• Balance and reaction time worsen, raising the risk of falls.
• Joints may stiffen, and flexibility falls.
• Heart and lung fitness decline, though regular exercise slows this noticeably.
• Recovery takes longer between hard sessions.

None of this means you should do less. It means you should train sensibly and include recovery.

The 4 pillars

Health guidelines for older adults, including those from the WHO, suggest a combination of the following each week.

1. Aerobic activity: at least 150 minutes of moderate activity such as brisk walking, cycling or swimming. If you are already fit, 75 minutes of vigorous activity can replace some of this.
2. Strength training: at least 2 days a week, covering all major muscle groups.
3. Balance training: 3 or more days a week if you are at risk of falls.
4. Flexibility and mobility: a few minutes daily.

A simple weekly plan

• Monday: strength session (45 minutes).
• Tuesday: brisk walk of 30 to 40 minutes, then 10 minutes of balance and stretching.
• Wednesday: rest, or easy walking.
• Thursday: strength session (45 minutes).
• Friday: cycling, swimming or dancing for 30 to 40 minutes.
• Saturday: longer walk, perhaps with friends or family, or a group class.
• Sunday: rest, light stretching.

If you are new to exercise, begin with 3 days a week and build over 2 to 3 months.

Strength: the best investment

Lifting protects muscle, bone and blood sugar control, and makes everyday tasks easier. You do not need heavy barbells, although they can be perfectly safe once technique is learned. Machines, dumbbells, resistance bands and your own body weight all work.

Sample session

1. Sit to stand from a chair: 3 sets of 8 to 12. Slow on the way down. Add a dumbbell held at the chest when it gets easy.
2. Leg press or goblet squat: 3 sets of 8 to 10.
3. Hip hinge with dumbbells (Romanian deadlift): 3 sets of 8.
4. Seated row or band row: 3 sets of 10.
5. Chest press or incline push up: 3 sets of 8 to 10.
6. Overhead press with light dumbbells: 2 sets of 10.
7. Farmer's carry: 3 walks of 20 to 30 metres.
8. Calf raises: 2 sets of 12 to 15, holding a wall for support.

Choose weights that make the last 2 or 3 repetitions difficult but possible with good form. Rest 1 to 2 minutes between sets. When you can complete all sets and reps comfortably in 2 sessions, increase the weight slightly.

Balance and fall prevention

Falls are a leading cause of injury and loss of independence in older adults. Training balance reduces the risk. Try these:

• Single leg stand: hold a counter and stand on 1 leg for 10 to 30 seconds, then try with a lighter touch, and eventually none.
• Heel to toe walking: walk in a straight line, placing the heel directly in front of the toes.
• Side stepping and backward walking: in a clear space.
• Standing up from the floor: practise getting down and up safely, using a chair or a sofa for support if needed. This skill matters more than most people realise.

Also check your home. Remove loose rugs, light stairways and bathrooms well, and wear shoes with grip, not slippery sandals, especially when floors are wet.

Food and fluids

Appetite and thirst can fade with age, but protein needs actually go up a little. Eat protein at every meal, such as eggs, fish, beans, groundnuts, chicken, meat or milk. Pair it with matooke, sweet potatoes, rice or posho for energy, and plenty of fruit and vegetables for vitamins and fibre. Drink water regularly, especially in hot weather.

If you are losing weight without trying, that deserves a conversation with your doctor.

Sensible precautions

• If you have heart disease, high blood pressure, diabetes, joint replacement, chest pain, dizziness or any long term illness, see your doctor before starting a new programme and tell your trainer.
• Warm up for 5 to 10 minutes. Stiff joints and cold muscles are more injury prone.
• Do not train through sharp pain. Mild muscle soreness is normal, joint pain is not.
• Stop and seek help for chest pain, severe breathlessness, fainting or sudden dizziness.
• Do not hold your breath while lifting, because it raises blood pressure sharply.

Staying motivated

Find something social. A walking group, a class, a training partner or a church or community club makes it far easier to keep going. Set goals tied to life: climbing to the top of the stairs without resting, carrying 2 full jerrycans, or walking to a relative's house. Track your progress in a small notebook.

Key takeaways

• Much of what we call ageing is loss of use, and it can be reversed or slowed by training.
• Aim for 150 minutes of moderate activity, 2 strength sessions and regular balance work each week.
• Strength training protects muscle, bone and independence, and it is safe when you progress gradually.
• Practise balance and getting up from the floor to reduce the risk of falls.
• Eat protein at every meal, drink water, and see a doctor before starting if you have a health condition.