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Doctor insights on: The Pull Up Is A Muscular Resistance Exercise That Primarily Works Which Muscle Group

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The pull-up is a muscular resistance exercise that primarily works which muscle group?

The pull-up is a muscular resistance exercise that primarily works which muscle group?

Latissimus Dorsi: A traditional pull-up relies on upper body strength with no swinging or "kipping" (using a forceful initial movement of the legs in order to gain momentum). The exercise often targets the latissimus dorsi muscle in the back along with many other assisting muscles. ...Read more

Tolerance (Definition)

When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more


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A antibiotic shot gave my left buttox a dent and it is smaller and less muscular does this mean the muscle is damaged and cannot be fixed w/ exercise ?

A antibiotic shot gave my left buttox a dent and it is smaller and less muscular does this mean the muscle is damaged and cannot be fixed w/ exercise ?

Likely fat tissue: deterioration. Was the area sore after the injection? You can smooth out the dent quite a bit by strengthening your gluteal muscles, causing them to enlarge as they strengthen--the Brazilian Butt Lift effect. The local fat degeneration may happen if the person who mixed up the shot added lidocaine with epinephrine rather than plain lidocaine! ...Read more

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What is the difference in the exercise prescription for building muscular endurance vs muscle strength ?

What is the difference in the exercise prescription for building muscular endurance vs muscle strength ?

Str vs Endur: Strength is looking for maximum output over a short period of time. An example of this would be powerlifting. Endurance would be training for long periods of time usually at a reduced rate. This would be a distance runner. Usually it is best to cross train, or train for both as in doing so you can develop both types of muscle fibers, fast twitch (strength) and slow twitch (endurance). ...Read more

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What is the difference between the exercise prescription for building muscular endurance and muscle strength?

What is the difference between the exercise prescription for building muscular endurance and muscle strength?

Training: Endurance training will usually involve doing cardiovascular training such as running, biking, swimming. Muscle strength training usually uses resistance training or weight based exercise. That said you can do resistance training in a cardiovascular way and vice versa. ...Read more

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Painful muscular type pain in my mid back for 3 days. hurts to the touch and very painful to sneeze. Active but no new exercise. Likely muscle strain?

Painful muscular type pain in my mid back for 3 days. hurts to the touch and very painful to sneeze. Active but no new exercise. Likely muscle strain?

Probably: Given your age, about 70% of all cases of acute back pain are self limited and due to "myofascial" irritation/strain. Sometimes sneezing can aggravate pain if there is a small tear of the outer coating of the disc capsule but even so there is an excellent chance of total resolution. Stay active, lift using your legs ( don't bend your back forward) and consider ice packs/OTC NSAID for 3-7 days. ...Read more

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I am thin but i want to get lean/muscular.I go to gym everyday but my muscles are still small?

I am thin but i want to get lean/muscular.I go to gym everyday but my muscles are still small?

Muscle: This may be genetic but if you want to build muscle make sure you are getting enough protein - especially after your workouts. ...Read more

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Is there any health benefits with being very muscular with large muscles?

Is there any health benefits with being very muscular with large muscles?

Increased Metabolism: Yes! Your resting metabolic rate is higher when you have a greater percentage of your weight contributed to by increased lean body mass. That includes muscle and bone. There is also evidence that increased muscular strength corresponds to longevity and quality of life. It is truly survival of the strongest. ...Read more

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Muscular hypertrophy is a big muscle right?

Muscular hypertrophy is a big muscle right?

Hypertrophy: The word hypertrophy means enlarged. Muscles can enlarge for various reasons, most commonly related to building muscle mass from exercise, but there are some diseases that lead to what appears to be muscle hypertrophy but is fat instead. If your muscles are enlarging involuntarily, i suggest you see your family doctor. ...Read more

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What is the muscle staining process to diagnose muscular dystrophy?

Biopsy; NADH: The 1st step is to obtain a muscle biopsy from (usually) a large muscle fiber (quads, thigh, foreleg) but it can vary depending on symptoms. Then the biopsy is stained with contrast for diagnosis (to differentiate the muscle from fat & other tissue). NADH & acid phosphatase stains are usually used but others are possible (Sudan, etc). Diagnosis depends on the pattern of what the microscope shows. ...Read more

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Is it normal to injure and tear muscles if I have muscular dystrophy?

Is it normal to injure and tear muscles if I have muscular dystrophy?

No: Usually weakness, fatigue, sometimes cramps are the usualy symptoms associted with muscular dystrophy. Tearing a muscle usually comes for exagerrated activited or stress to the muscle by overactivity. Most people with muscular dystrophy do not overuse their muscles because they are weak. However, it would be possible and should be treated immediately. ...Read more

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I want to build muscle but i was wondering if I should also take creatine? Will taking it help me get muscular?

Depends: Creatine is a popular supplement among body builders & athletes who are trying to add muscle mass. Check the other ingredients before using it. Excessive of creatinine use and muscle mass will put a burden on Kidney. Talk to your PCP & know your health before using it. If you decide to take it, drink plenty of water (>3 liter/d), check kidney function & CPK periodically as recommneded by your doc. ...Read more

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Can muscular dystrophy be only in one muscle?

Called atrophy: Dystrophy is a term reserved for a form of muscle disease (dys= problem with, trophy=growth) localised loss of muscle balk is called atrophy and is usually related to disuse or lower motor neuron problems. ...Read more

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Can muscular dystrophy be isolated to one single muscle?

Can muscular dystrophy be isolated to one single muscle?

No.: Muscular dystrophy is a group of inherited diseases which cause progressive weakness of muscles that allow movement. Muscular dystrophy usually will affect every muscle in a person with the disease. Symptoms may be more noticeable at first in one muscle but will progress. In one type of muscular dystrophy, the symptoms predominately affect muscles in the shoulder and pelvic girdles. ...Read more

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What is the name of the smooth muscular structure that courses obliquely and medially superficial to the psoas muscles?

Sartorius: The sartorius runs superficial to the psoas in the direction you are describing, so that is the most likely possibility. There are other structures in that area as we. ...Read more

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Is it possible to regain muscle mass if I have muscular dystrophy?

Is it possible to regain muscle mass if I have muscular dystrophy?

It depends...: ...On the type and severity of your condition. Muscular dystrophy is a group of inherited conditions with variable severity and rate of progression. If you have a milder form with slower progression, it is feasible to obtain limited benefit from training. ...Read more

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Why do I never feel muscle aches after a workout, but I still manage to get muscular?

Why do I never feel muscle aches after a workout, but I still manage to get muscular?

Proper training: you are working your muscles sub maximally. That will allow an increase in muscle tone but avoid the physical / cellular consequences of strenuous workouts. Good for your age? ...Read more

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I'm able to out lift big muscular men, how much does actual muscle mass contribute to strength?

Some relation: Muscle mass has to do with hypertrophy of muscle fibers. Muscle fiber hypertrophy has more to do with the consistency of training routine, not single episode of power. Someone who is not a regular lifter can still have significant strength. This scenario isn't common, but possible...... You may also have short arms and legs, which allows you to power weight over a shorter distance. ...Read more

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How can a girl get lean muscle? Not overly muscular or anything, just a little muscle. What exercises do you recommend i do?

How can a girl get lean muscle? Not overly muscular or anything, just a little muscle. What exercises do you recommend i do?

Exercises: Moderate aerobic exercise and low weight high repetition would be great to get healthy and fit. Lean muscle just take time and dedication. ...Read more

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What do you suggest if i want to get muscular but drop weight to get ripped is there any supplement out there that will help me drop weight and gain muscle?

No magic here: Ignore all the "magic fat burners." Creatine and an electronic muscle stimulator, if okay with your physician, are plenty. Eat 1 gram of lean protein daily per pound that you currently weigh, and get used to being a bit hungry through most of the day. The real supplement that will help is intense exercise. Hit the aerobic circuit. You'll not only get the body you want; you'll be healthy. ...Read more

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Can you tell me which muscular twitches in voluntary muscle contraction?

Can you tell me which muscular twitches in voluntary muscle contraction?

Sorry: Your question is not understandable. Please repost with the help of someone whose native language is English. ...Read more

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I have muscular pain on right shouldar & rightside stomoch muscles, when breath in & out fast.?

So don't do that: Just kidding.
Could just be muscle strains, but it's hard to tell from your symptoms; worse problems such as pneumonia would usually include cough, fever, malaise, and fatigue.
If this persists, see your doctor. ...Read more

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Is there a muscular disease that restricts your rib cage from expanding? Poor posture has caused my rib cage to become restricted by the muscles.

Several, but: Several neuromuscular diseases could do this and posture could restrict rib cage expansion, but should not directly affect muscles. ...Read more

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I sufferred from injury during swimming in may 2015 and since then sufferring from whole body muscular spasm. i have taken muscle relaxants & nerve re?

I sufferred from injury during swimming in may 2015 and since then sufferring from whole body muscular spasm. i have taken muscle relaxants & nerve re?

Muscle tightness: You did not specify if your injury was to a joint or to the muscles. If you have been in active since May 2015, what you are experiencing could be deconditioning. Other things to consider include electrolyte imbalance, or malfunction of the nervous system. I would start with basic conditioning exercises. ...Read more

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What is the difference between neurologic muscle weakness and metabolic muscular weakness?

Different cells hit: Neurologic muscle weakness is due to any disorder of the nerves activating muscles that causes weakness. Metabolic muscle weaknees is due to a disorder, usually of the muscle cells themselves, that leads to incomplete/inappropriate use of "fuel" conversion into energy by the muscle cells. ...Read more

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Why won't doctors believe biopsy report on muscle biopsy said muscular dystrophy but doctors don't believe it and have to go out to John Hopkins.

Why won't doctors believe biopsy report on muscle biopsy said muscular dystrophy but doctors don't believe it and have to go out to John Hopkins.

Many types: of muscular dystrophy exist. A positive biopsy does not give a specific diagnosis so you are being referred for more detailed testing, likely testing for mitochondrial disorders. For details see mdausa.org ...Read more

Muscle (Definition)

It is a body tissue that has the ability to contract. It shortens and generates force. It relaxes and returns to its original length. Muscles move joints, stabilize the body, move air and food through the organs, act as valves for bladder, bowel and other organs. They control movement of the eyes. They help us express ourselves by changing the shape of our ...Read more


Dr. Heidi Fowler
5,152 doctors shared insights

Exercise Or Physical Activity (Definition)

Exercise is a physical activity that is completed to maintain or improve health. Benefits of exercise include weight maintenance, improving mood, increasing energy, preventing or controlling chronic diseases, promoting better sleeping, and improving sex life and libido. ...Read more