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Unanswered Questions

266 questions with no upvoted or accepted answers
16
votes
1answer
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 ...
15
votes
0answers
272 views

“Continuous Passive Motion” (CPM) for Joint Healing, Effective? How?

First of all - I expect this question to get very little attention: It's amazing how little attention people who work out seem to give to joint health. Anyway, it seems that moving the joint "...
14
votes
0answers
191 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 ...
10
votes
1answer
222 views

Does having abnormally low IGF-1 levels affect my ability to gain muscle mass?

I'm a 24 year old male and fairly recently found out that I have abnormally low IGF-1 levels. Mine is 90 (ng/mL) whereas the average range for my age is from 116-353 (ng/mL). I've always been pretty ...
6
votes
3answers
98 views

Unable to use left arm, what exercises should I do?

Due to an injury I have a partial paralysis in my left arm, both shoulder and elbow. This means I cannot do most of the upper body exercises. The only things I can do are single handed (dumbbell/...
6
votes
2answers
231 views

how to keep the chest tendon injury free while training heavy bench press?

Here and here you can see me bench press 200 Kg. I don't bench 200Kg 440 Lbs all year long. After reaching the 200, it goes down gradually back to 160 and then 160 for 2 reps and slowly up. I use ...
6
votes
0answers
144 views

Should I start breathing deep immediately starting a sprint

After my warm up, I have a relatively low breathing rate. When I begin to sprint should I start breathing quickly and deeply immediately or wait until I'm just out of oxygen? If I start deep ...
5
votes
1answer
91 views

Asymmetry in cross body shoulder stretch

I have recently noticed that I have a huge asymmetry in the cross body shoulder stretch. In particular, when stretching the left arm, I can push it to be almost parallel, to my body, while with my ...
4
votes
1answer
61 views

post stretching tightness in posterior leg muscles

I'm a 28yo female, very physically active (circus arts, martial arts, cycling, yoga), and have been for my entire life. I have partial hyperflexibility (arms, lower back, toes), and have been working ...
4
votes
0answers
49 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 ...
4
votes
1answer
97 views

Weight size when training for power (not for maximum strength, resistance or body size)

If our main goal is to increase our power (for kicking or striking a ball, for example), what size of weight would we use? Could light weights used ballistically be better than, say, big weights + ...
4
votes
2answers
162 views

I have atrophied pectorals. How should I train them ? Pictures

Before I show you my photos taken from different angles, I want to explain how I train. Biological informations AND Diseases I'm a 22.5yo male, 1.70m (67 inches), I think I'm between [20 ; 25]% BF. ...
3
votes
0answers
36 views

Is there concrete evidence that running during our first few decades helps with longevity beyond age 90?

I love running. I run regularly and competitively. In my early years, teachers and family told me it was the best thing I could do if I want to live long (together with good diet). But more and more ...
3
votes
0answers
29 views

How can I add resistence to prone cobra movement?

I use prone cobra exercise for thoracic spine and lower traps. I want to apply progressive overload to this exercise. How can I add resistance properly to this exercise? Resistance bands, dumbbells ...
3
votes
3answers
108 views

Benching/pressing more than three times every two weeks on Starting Strength

On Starting Strength, the lifter is only supposed to be doing bench press every other workout, and similarly for overhead press, so that one is only bench pressing (or overhead pressing) three times ...

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