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5
votes
1answer
43 views

Do we use large or small muscles when keeping our knees unlocked?

Part of my fitness routine involves standing for 20 minutes with the knees ever so slightly unlocked. The goal of this routine, theoretically, is to build up the so called "postural" muscles, which ...
0
votes
1answer
80 views

What is this part of the knee?

There is a large cord I can see and feel on the lateral (outside) part of my knee and I'm wondering what it is, as it hurts sometimes. Does anyone know what it is? I think it is the LCL, the IT band ...
0
votes
1answer
68 views

What muscles are used to create and oppose posterior pelvic tilt when the upper body is leaning forward?

I have no difficulty tilting my pelvis in a seated or standing position, or in a quarter squat when my body is upright. When my upper body is tilted forward 30 degrees, however, curling my tailbone ...
0
votes
1answer
34 views

Which muscle or tendon inserts on the front of the thigh and bears more load when the knees are flexed than extended?

This muscle or tendon feels maximum stress when supporting body weight with the knees flexed 90 degrees or more, but flexing the quadriceps with the leg straight doesn't involve it at all. It can ...
0
votes
2answers
110 views

What lower back muscle or tendon is located near the inside of the iliac crest and helps rotate the femur?

I can feel twin bumps on either side of my lower spine which I believe are protrusions from the iliac crest -- approximately where the erector spinae appear to originate. I can generate pain in this ...
2
votes
1answer
88 views

When are the physical benefits of a single workout realized?

When does your body actually build muscle in response to fatigue from a workout? For example, if you slam your arms in one work out ( say any combination of, curls, pullups, pushups, bench press, ...
2
votes
1answer
4k views

What are superficial muscles?

Articles like the wikipedia entry for the Forearm distinguish between superficial, intermediate, and deep muscles. What is the difference between these muscle levels? What are some readily ...
4
votes
2answers
849 views

Back and neck problems from sitting in front of a computer

I am a computer programmer who spends more than 8-10 hours a day at the desk. I want to know which is the appropriate kind or design of the chair that a computer programmer must use, and what types of ...
3
votes
2answers
656 views

Basic anatomy for weight lifting and starting strength?

Reading the Starting Strength book, he throws around a lot of anatomical terms. Yet, surprisingly, there's no diagram or chart or glossary explaining what all these are. What's the best way to learn ...
5
votes
1answer
170 views

How does a muscle grow step-by-step?

I am trying to understand how a muscle such as the bicep grows step-by-step. For example (but not limited to): How nutrients line up? Which are essentials? What exactly do they do? It's hard to ...
3
votes
1answer
715 views

Cold kidneys after exercise

After running or cycling when it's not all that warm outside the area around my kidneys (just above waistline, at the sides, towards the back) is particularly cold and stays cold for longer than the ...