The Best Workouts For Women Over 40
As someone deeply passionate about women’s health and fitness, I’m often asked, “What are the best workouts for women over 40?”
In 2014, a review looking at almost 1400 peer-reviewed studies from sports science and sports medicine journals, found that on average, women made up just 39% of study subjects.
This finding was published in The European Journal of Sports Science.
Bethany Brookshire built on this review in 2016. She added up the number of studies that included women in two major academic journals: ‘Medicine and Science in Sports and Exercise‘ and the ‘American Journal of Sports Medicine‘.
She found that just 4% of the research was female-specific.
In a 2017 editorial published in the British Medical Journal, the authors wrote that mainly, women have been excluded from research because they’re seen as “more physiologically variable.”
"In other words, scientists have figured out how to replace heart valves with robotic technology, but figuring out how to navigate women’s monthly cycles while designing a study is still, to this day, deemed too difficult a problem to bear." - - New Research Is Changing The Game For Female Athletes - A.C. Shilton
Here are ten factors with different implications on training, performance and recovery depending on gender that I bet very few people are aware of:
The original research on IF was conducted primarily on males who were diabetic and obese.
Men respond differently to the stress of no or low calories than women.
This is due to the neuropeptide (kisspeptin) response, and sensitivity of a woman’s endocrine system to a non-fed state.
Unfortunately, this is not generally known.
Women all over the world starve themselves for extended periods, thinking this is finally the answer to help them manage their weight.
– a strong parasympathetic response (clarity of mind / cognitive focus)
– improvement in blood glucose control
– massive autophagy (the body’s way of cleaning out damaged cells, in order to regenerate newer, healthier cells)
– a sympathetic (stress) response to not having enough calories, which cause anxiety, depressed feelings, brain fog and an elevated heart rate
– no improvement in blood glucose control in women
– autophagy is minimal
– can be a precursor to menstrual dysfunction seen in low energy states due to the sensitivity of kisspeptin
– it signals an increase in visceral fat (the fat around the essential organs, the protective fat that’s really hard to mobilize and increases cardiovascular risk.)
– long term effects of intermittent fasting with exercise is endocrine dysfunction, increases in abdominal fat, more depression and subsequent fat gain
If you’re a woman, adding intermittent fasting on top of exercise adds to the stress of denying our bodies important nutrient signaling. The result is that your body starts storing more belly fat.
A study showed that in active women, the longer they stay in a catabolic state, the more they disrupt your endocrine system and resting metabolic rate (RMR) – EVEN IF YOU EAT ENOUGH CALORIES IN GENERAL!
This means that even if you eat a sufficient amount of food in a day – periods of fasting, or delaying food intake, will impede your metabolism.
Cold immersion tricks your body into redistributing the blood from the skin back into circulation through the muscles. This makes ice baths a popular recovery protocol.
In her book ROAR, Dr. Stacy Sims points out how a post workout ice bath has a different effect for men vs women:
For us girls, an ice bath after an intense workout session can help recovery by:
After reading the above for the first time, I realised just how impressive Gerda Steyn’s (pic above) Comrades 17th overall place was in 2019. (She also broke the ‘up’ record for women that same year by more than 10 minutes, clocking a time of 5:58:53.)
Firstly, consider that the ‘body’ referred to when saying ‘the human body is 60% water’, is that of a man’s.
For women, that number is closer to 50%, because we naturally have a higher fat percentage.
Fat does not carry as much fluid as muscle, which men have in higher percentages.
Both men and women have increased core body temperatures when they get dehydrated during exercise.
Women sweating less than men (about three times in the study linked to here!) however, results in our core temperature rising twice as quickly as men’s when exercising.
The study highlights that at the same extent of dehydration (during exercise), women are at higher risk of experiencing an increased heart rate and core body temperature.
Dr. Sims writes in her post on heat that men have higher overall sweating capacity. This is an advantage in hot and dry conditions, where sweat evaporates and helps cool you down.
In hot and humid conditions however, sweat evaporates less and then this cooling mechanism does not work so well.
Women have and use more sweat glands, but generally sweat less and should bear hot and humid conditions better.
I have to say here that I personally suffered running in the hot and humid weather of Thailand. I sweated bucket loads and believe that some women (like myself) may possibly sweat more like men do.
Another difference is in heat acclimatisation strategies.
Research shows that women need to do about twice as many heat adaptation sessions to get the same degree of adaptations as men.
At altitude, men’s bodies chomp on carbohydrates, while women’s bodies prefer to use fat for fuel.
This sex difference can put women at an advantage, if it’s a long race.
Bear in mind though that women are more susceptible to altitude sickness in the high hormone phase. So, time it well.
A typical mesocycle (training block in a larger macrocycle) consists of a 3 weeks on, 1 week off schedule (see image above).
This may work in any instance, for men. Their hormones don’t fluctuate on a monthly or weekly basis.
For women, on the other hand, following this schedule blindly will not yield the best training quality and adaptation.
Pre menopausal women should firstly track their cycles to establish its duration.
Based on that, harder sessions should fall in the low hormone phase.
Recovery times should fall in the high hormone phase
See the last point (ten) for more on this.
Coaches should be aware of and understand this!
The post workout recovery window for women and men is not the same – a critical sex difference with vital implications.
Unfortunately, few athletes, coaches and trainers are aware of this.
Women need protein post workout more than men do, and we need it fast.
This is because progesterone boosts muscle breakdown in women – it makes us more catabolic.
Post workout protein will support and strengthen and muscles in recovery.
Whey protein is the most practical option, and preferred for its quick uptake and favourable leucine content.
Leucine – one of the three Branched Chai Amino Acids (BCAAs) – is the most potent activator of protein synthesis.
You need 30g of protein (40g if you’re in menopause) within 30min of finishing your workout (men have up to 3h).
Women oxidize more fat and less carbohydrate than men at the same relative intensities of exercise.
One study specifically, found that at an intensity of approximately 65% maximal oxygen consumption (VO2max) – a moderate intensity – , women have higher rates of lipid (fat) oxidation and lower rates of carbohydrate and protein metabolism compared to men.
Becoming ‘fat adapted‘ has become popular for especially endurance athletes or those wanting to lose excess weight.
It is believed that following a Ketogenic (low/no carb) diet will bring you to this state, in which your body burns fat for fuel instead of carbohydrates.
Clearly, this is already the case for women.
This preference of the female body to burn fat as fuel, become even more pronounced in the high hormone phase (see last point) and at altitude
From the onset of puberty to menopause, women maintain a greater percentage body fat than men despite smaller energy intake per kg of muscle.
While women take in less calories per kilogram of muscle mass, AND have a preference for burning fat during exercise (point eight), women still lose less fat than men when faced with a similar energy deficit.
One explanation for this is that women store fat more efficiently – which is probably true. Our bodies are primed for reproduction, unlike men’s.
I would argue however that the general higher muscle mass in men – which results in a higher resting metabolic rate (RMR) – is a top dog when it comes to fat loss
This is why two key elements in my approach to fat loss / improving body composition are:
*NOTE:
– For females: after being in a calorie deficit (Low Energy Availability – LEA) for only four days, T3 (the active form of your thyroid hormone) starts to drop
– In contrast, males show lower T3 only after 3 weeks of caloric restriction (LEA)
Unlike men, women of reproductive age have a menstrual cycle that bring about hormonal fluctuations on roughly a monthly basis.
These fluctuations can be classed into a 1) low hormone (follicular) phase, 2) ovulation, and a 3) high hormone (luteal) phase.
A 28 day cycle is pretty much text book (see image above), but some women have shorter cycles, closer to 23 days, and others up to 35 days.
When and how long each phase (follicular or luteal) is depends on cycle length, and can therefore be different from the image above.
Each phase has important implications for exercise and recovery.
During the follicular phase, women are hormonally most like men and in terms of exercising – feel best and is the best time for physical adaptations to exercise.
As shown in the image above, the follicular phase falls in the first two to three weeks of a 28 day cycle. Consequently, this is the phase you want to throw balls to the wall (purposeful pun) in your sessions.
Women who are estrogen sensitive, may feel flat during ovulation. The best time to hit a PB though, is the 48h directly after ovulation.
During the luteal phase – the last about 5 days of a 28 day cycle – progesterone and estrogen are high. These elevated hormones can make it hard to hit high intensities (due to an even lesser reliance on glucose) and recover well.
This makes this phase an appropriate time to tone things down and recover.
Not tracking cycles and understanding each phase’s implications, can lead to frustration and confusion for both athletes and coaches.
In addition, not utilising each phase optimally can leave a lot of performance potential on the table.
It’s time coaches and female athletes get informed of the gender differences that exist in diet, exercise and recovery.
Not only for optimal performance and results, but also for the enjoyment we seek when participating in sport.
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Read MoreAs someone deeply passionate about women’s health and fitness, I’m often asked, “What are the best workouts for women over 40?”