Most of my exercises at the gym are performed with sort recoveries.

1 This limits the amount of weight I can use, thereby avoiding injury from too heavy weights.
2 The increase in intramuscular pressure reduces oxygen levels in the muscle
3 Short recovery limits the restoration of blood flow
4 Result: fast-twitch (oxidative & glycolytic) muscles are recruited, which is what I want
5 Session length is reduced
6 CV system is used

It's crucial to work fast-twitch fibres as u age (you use them getting out of a chair)
They are the mass and strength muscles. You lose fast-twitch over slow-twitch as u age, so keep stimulating them

Aerobic exercise is important but it will turn u even more slow-twitch; u need to work both fibre types

Resistance training & sprinting. You want to get 'breathless'
Damn, meant *short* recoveries

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More from @GuruAnaerobic

Jun 30
"...sub-max training & HIT did not improve VO2max of well-trained endurance runners. However, the vVO2max (Velocity at VO2max) can be increased using HIT or adding traditional strength training"

i.e. strength & fast running make u faster if not 'fitter'

sciencedirect.com/science/articl… Image
'Several...studies have demonstrated that vVO2max is the best predictor of the 1500 m performance in well-trained runners...longitudinal studies have confirmed that 1500-m was improved after HIT only when vVO2max was increased..'

I intuitively feel this. Image
This is for 'well-trained' runners, but applies to all runners; however, if you are not well-trained you still need to develop your aerobic fitness (VO2) as there is no point only concentrating on the icing (HIT/Strength) if you have no cake (endurance).
Read 5 tweets
Jun 29
Emma Raducanu

The worst thing for a psychologically fragile player is to win a big tournament young; this heaps the pressure on

Raducanu won the US open last year at 18yrs after an on court meltdown a few tournaments before. Here she loses to an unseeded player in the 2nd round Image
Last year she got thru to the 4th round.

Emma has been chopping & changing coaches (and doing unnecessary heavy hip-thrusts in the gym). She is not happy...

However, the UK men are nowhere; not a surprise. The LTA are systemically blind - I wrote abt it

express.co.uk/sport/tennis/6…
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Jun 27
I've been closely observing the frail elderly for the past few weeks - here's what I found.

1 'Frailness' is largely a lower-body problem. What I mean by this is frail legs have a larger negative impact on navigating the physical landscape than a frail upper-body
2 A significant minority of elderly with frail legs do not have frail looking upper bodies; they are upper body overweight.

3 Frailness manifests as reduced gait length and speed, limping, awkward locomotion, inability to get out of a seat w/out using arms for assistance...
...compromised balance, lack of confidence, inability to side-step obstacles (children, dogs, other people, etc)

4 The frailness is due to muscle wastage, lack of strength, joint problems and injuries. The assault on lower-limb integrity
Read 9 tweets
Jun 17
Hill Training

I ran (sprinted) hills for 20 years. My group's philosophy was controlled demolition.

Here's some advice/views from my experience.

1. Image
2. Image
3. Image
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Jun 5
Recycling - #Springwatch

The Osmia Bicolor Bee only ever builds her nest inside empty snail shells (here, the Cotswold limestone hills).

en.wikipedia.org/wiki/Osmia_bic…
She forages for pollen and nectar.
Which she then stores inside the shell.
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Jun 2
Best programme on TV
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