Questions tagged [biomechanics]

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4
votes
0answers
109 views

Why are chin-ups harder than pull-ups?

When looking at world records pull ups always have better numbers than chin ups. For example the record is 707 pull ups in 30 minutes versus 600 chin ups in 30 minutes and the weighted pull up is ...
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2answers
117 views

Science of doing kip-ups

When I first started training, I did not know how to kip. I had no clue how it worked. People said it was instinctive, and that everyone knows how to kip without training it. Well—I don't! How does ...
2
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1answer
52 views

Is the glute max the only muscle activated during the pigeon hip extension?

So I have trouble activating the glute max on the left hip. For example when I do the donkey kick exercise with the right hip I can feel the glute max activating, and I also can squeeze it. But on the ...
3
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1answer
92 views

Squat accessory movements - Does the inclusion of both leg extensions and sissy squats make sense?

When considering quad accessory movements to compliment squats, does it make sense to include both leg extensions and (machine) sissy squats? Or put another way, are these exercises sufficiently ...
6
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1answer
90 views

Going on your toes when doing landmine squats or thrusters

When doing landmine squats or thrusters people often advise to lift the heels off the ground (sometimes called lineman squat). Like here or here Now it is often said that doing squats and thrusters ...
1
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2answers
127 views

Underhand press ups

Are weighted and unweighted underhand press ups safer than normal press ups? Some forums says underhand bench press has 30% more upper pectoral activation and since the bench press and the press up ...
2
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2answers
64 views

What's the most efficient way to walk and swim?

I have two related questions that deal with the same issue. My primary question is regarding swimming. I've found that extending my stroke (pressing behind behind me to propel me further at the end ...
0
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2answers
48 views

Stepping down safely for knee

I had some knee injury while doing a one-legged squat a while ago. Now, I can comfortably step up, but stepping down stairs is a big problem. While stepping down, how should I orient my torso to ...
3
votes
1answer
153 views

Is it possible to load different areas of the muscle lengthwise?

I have a bicep that is thick at the insertion point near the elbow and thin closer to the shoulder. When I did various dumbbell​ and barbell curls and experienced soreness, the sore area was the ...
1
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2answers
197 views

Timing of muscle soreness - what does it tell you?

I am currently trying to learn more about the signals my body is giving. One question I stumbled upon recently is the following: Is there any information to be gained from muscle soreness at ...
0
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1answer
845 views

Optimal body dimensions for Olympic weightlifting?

I often hear it said (in BBC's Rio 2016 commentary, for example) that the optimal body type for an Olympic weightlifter is short legs, short arms, and long back. The benefit of short levers is easy to ...
3
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1answer
183 views

Legspan requirements for different running styles?

There are many factors contributing to the legspan and rarity of people achieve maximal legspan such as different splits. The legspan affects functional skills such different running styles so having ...
2
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1answer
179 views

How far can you go with eccentric body exercises?

Oops! This got longer than what I have intended, so please bear with me! Let me start off by saying that it's the first time I see a website about fitness where I can hope of receiving empirical ...
6
votes
1answer
169 views

Why do we need a resting period?

Everything you read about training tells you: Resting is just as important as training. I understand that if I train to much I get a negative training result. But do we really have to rest like ...
2
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1answer
743 views

Mechanism and recovery of lower back pain?

I normally recover from lower back pain just going to run. It results from studying too much and sitting - skipping gym and sport during exam weeks. It alleviates normally after one hour running. ...
1
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1answer
79 views

How does the different loading techniques in bulagrian split squats compare?

I know several different methods of how to load a bulgarian split squat: use dumbbells or kettlebells by your sides use a dumbbell or a kettlebell in goblet position use a barbell in front squat ...