Unanswered Questions

318 questions with no upvoted or accepted answers
17
votes
2answers
1k views

Firstbeat Energy Expenditure Algorithm

I am looking for an implementation (or a document that describes the actual algorithm) for the energy expenditure/VO2/EPOC calculation from the heart rate variability. A few white papers about ...
16
votes
0answers
346 views

Losing Lean Muscle Mass (Detraining)

I have never fully understood how this exactly works. These questions pertain to the long term effects of strength training only. Basic Physiology of Hypertrophy (what is understood) During muscle ...
9
votes
0answers
107 views

Is low intensity cardio the only way to induce an increase in stroke volume?

For the guys versed in endurance training, it is now clear that low intensity steady state cardio brings one key adaptation that HIIT is not able to : an increase in the heart stroke volume (also ...
5
votes
0answers
110 views

How many weightlifting styles are there?

Some weeks ago, my coach was explaining the starting positions, he pointed out the two different starting positions, he called them the East European and Chinese styles. I was trying to pay ...
5
votes
1answer
80 views

Is lactate threshold different for different activities and/or muscle groups?

Is the adaption resulting from lactate threshold training mainly in the trained muscles, in the cardiovascular system, or both? If I improve my lactate threshold through one kind of training, ...
5
votes
0answers
54 views

Weekly distance buildup for 100k ultra

I'm going to run a 100k next July. I'm trying to plan my weekly mileage, and I'm wondering what periodisation I should do. I'm currently thinking of going for a monthly basis. Increase in week 1 &...
4
votes
0answers
68 views

How do you (gently) strengthen the tops of the feet for poses like Urdhva Mukha Svanasana?

I've been doing yoga for several years now, and I still can't really tolerate the pressure or pain that comes with going to the tops of the feet in this pose, such that I stay on my toes instead. For ...
4
votes
0answers
52 views

What type of shoes are comfortable as well as don't break as easily for breakdance?

When I do flares or footwork with a new shoe it only takes a couple of practices for it to start getting torn in these locations. What are some shoe types that are built for breakdance? Shoes that I ...
4
votes
0answers
54 views

Can repeated hyperventilation change the setpoint for oxygen sensitivity?

In recent years, breath-hold diving as a competitive sport has developed tremendously. I'm interested in generally understanding the consequences of training for maximum breath hold times on a person'...
4
votes
0answers
63 views

How to train with no offseason

I was looking at various training plans on the net, as I'm working up a routine for coaching a new team sparring group for our martial arts "circuit", and one thing struck me. All of the plans that I ...
4
votes
1answer
95 views

How to execute heavy glute bridges and hip thrusts with resistance bands?

I am trying to figure out how can I do heavy glute bridges with resistance bands safely. The reason I use resistance bands is it is portable and fit my current lifestyle. My current glute bridge is ...
4
votes
1answer
182 views

Can I increase flexibility by strengthening muscles?

I do not believe in static stretching. In one of Pavels books he mentions that while most people can not perform a full split, they can still bend one leg 90 degrees sideways. In another question: ...
4
votes
1answer
50 views

unable to cross stretch and touch the arms from behind the back

I have a query regarding arm flexibility. Please refer to the picture attached. As you can see the person is not able to cross stretch and touch the arms behind the back, how to fix this issue please ?...
4
votes
0answers
61 views

What is actually happening to my body during HIIT on a Spin Bike?

To be more precise I've been following a HIIT on a cycloergometer and I found out this. Beginning: BPM: 105~120 Pedaling Rate: 60 rpm Now: BPM: 90~105 Pedaling Rate: 60 rpm Basically my heart ...
4
votes
4answers
395 views

How do I improve my body composition?

Hey! So over the past year I lost a bunch of weight ( I was 69kg and now I am 54 ish). But I really want to build muscle especially around my glutes and my back! As you can see I have very little ...

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