פטריית שיטאקה מצויה בשימוש קבוע במטבחים רבים ונחשבת למעדן בזכות טעמה הייחודי. שיטאקה נמכרת במצב מיובש או טרי והיא תופסת את המקום השני בדירוג העולמי של צריכת פטריות מאכל.
השימוש בשיטאקה בקרב עמי המזרח נפוץ מזה אלפי שנים כרכיב מרכזי במטבח אך גם כאמצעי לריפוי. על פי התיאוריה הרפואית העתיקה של בני סין, צריכה של פטריית שיטאקה מומלצת עבור מי שמבקשים לחיות חיים ארוכים בבריאות טובה.
בעקבות השימוש המסורתי בפטריית שיטאקה ובשל הידע המדעי שנצבר אודותיה, נרשמה ביפן בשנת 1985 התרופה Lentinan המבוססת על פוליסכריד בשם זה המופק מהפטרייה, כתרופה לטיפול בסרטן הקיבה. במחקרים שבוצעו במעבדה על התרופה לנטינאן (Lentinan), הודגמה האטה של צמיחת תאים סרטניים בתרביות תאים. עוד נמצא שהלנטינאן מעודד ייצור תאי דם לבנים במערכת החיסון, והוא בעל השפעות נוגדות סרטן בתאי סרטן מסוגים שונים. מחקרים קליניים הדגימו את היעילות של שילוב מתן תרופת לנטינאן ביחד תרופות כימותרפיות לסרטן בשיפור שרידות החולים ובהפחתת תופעות הלוואי של הטיפול הכימותרפי, כדוגמת נויטרופניה (ירידה בספירת תאי הדם הלבנים מסוג נויטרופילים).
התוויות מגובות במחקרים קליניים:
חולשה חיסונית, סרטן, איידס, היפרליפידמיה (עודף שומנים בדם), טרשת עורקים, יתר לחץ דם, זיהומים ויראליים, זיהומים ויראליים וחיידקיים, קנדידה, דלקת כבד (הפטיטיס C), כבד שומני, יתר קרישיות הדם, עששת.
Valentin –
The greater the angle, the extra the train will interact the shoulders.
After these 2 weeks, you can begin to apply progressive overload by lifting
heavier dumbbells and reducing reps. Let’s clarify-
it’s ok in case you are a thin beginner to carry gentle and
in high rep ranges of 15+ per set when you first begin training.
Add it to your routine, give consideration to progression, and watch your
strength and physique transform over time. Dumbbells chest press and
barbell bench press are two several varieties of workouts but
most at all times it is possible for you to to raise
extra on barbell bench press. This is as a outcome of you do
not have two stabilize two different weights your body is working collectively to stabilize one weight
which equals more stability and extra behind the push.
For finest results, you should be lifting an acceptable quantity of weight.
This post reveals dumbbell bench press weight requirements to benchmark your efficiency.
Don’t worry; simply ensure the weight you choose fatigues your muscle tissue within the specified repetition range.
If you can’t hit the lower quantity, the burden is
just too heavy, but when you can do greater than the
upper quantity, the load is simply too light. Place your self, so your back is flat on the bench, your arms are
bent, and the dumbbells are in entrance of your shoulders.
Additionally, bench pressing with a bar means you are restricted to how far you
presumably can lower the weights. If you've brief arms,
you won’t get a lot of a stretch in your chest, and that may limit muscle growth.
So take your time be protected if you start getting up there in weight ensure you
have a spotter. Dumbbell presses may engage extra stabilizing
muscles, whereas bench presses permit for larger
overall weight usage. You May find yourself recruiting muscle teams
other than the specific muscle tissue supposed to be targeted
by the exercise. There is a pure arch in your again that should
be there whereas performing this press exercise.
When you strive exhausting to push your back into the bench, your shoulders will naturally roll forward.
Most persons are 20 to 30% stronger in the flat bench press compared to the incline bench press.
This is probably because of a extra environment friendly pressing angle in the flat bench
press, in which you'll have the ability to higher use your strong chest
muscles. If your objective is to get stronger within the flat bench press, you need to adhere to the precept
of specificity and do a minimum of some coaching in the flat bench press.
When that is coated, it's in all probability an excellent thought to do some extra work for your chest,
shoulders, and triceps, and the incline bench press could be a great tool for that.
Nonetheless, within the flat bench press, you may be probably utilizing a larger portion of your
chest muscles, especially in course of the decrease chest.
No, the dumbbell bench press isn't dangerous if the athlete makes use of the correct
form and lifts an applicable quantity of weight.
One of the first benefits of the dumbbell bench press is the greater vary of movement.
To maximize this profit, the weight must be below your chest on the backside of the press.
At the top of the press, you want to convey the dumbbells
together.
As I get heavier I plan on switching to dumbells however
I Am questioning if it will put me at any sort of drawback.
This train not solely permits you to work one arm at a time, but it's going
to also improve coordination and core strength.
It’s a good train for muscular endurance and works properly when used
as a part of a fat-burning circuit exercise. 2– Bend your arms and lower the
weights till the again of your arms frivolously contact the ground.
They get shoulder ache from flat benching however seem to tolerate
incline benching nicely. Most Likely due to a extra efficient
urgent angle during which extra of your chest muscle fibers can help.
One Other issue could be the marginally shorter vary of movement
of the flat bench press. The dumbbell press provides a better vary of
motion than the barbell bench press. This makes it great for both newbies and skilled
lifters. Muscle progress is the target of bodybuilders,
however everyone can benefit from muscle mass, which declines with age.
If you might be aiming to develop the upper chest, don’t compete in energy sports activities,
and need to limit stress on the shoulder, you need to contemplate the incline bench press.
Typically an incline bench press is carried out with your torso at a 30-degree or 45-degree incline.
A 2020 research found that an inclination of 30 degrees is right for activating the higher chest.
Anything above forty five levels recruited extra anterior
delt and less chest. Alter the incline for bench
variation to sculpt the chest region. Embarking on a
full-range motion in dumbbell presses ensures thorough muscle
activation. Modify rest intervals to shift focus
among hypertrophy, endurance, or strength-building efforts.
Starting with the Dumbbell Press, concentrate on a full
range of movement. The incline press can be problematic for people who expertise shoulder ache.
If you have ongoing shoulder ache, attempt the train on a
machine or with a barbell earlier than making an attempt it
with dumbbells.
Varying your routine with different weights, reps, and
incorporating both urgent strategies might help in stopping plateaus
and continuously difficult your muscle tissue. Concentrate on the
target muscle tissue throughout presses to optimize
engagement. Visualization techniques throughout dumbbell and bar presses may amplify muscle recruitment and progress.
A keen focus yields important improvements in form and efficacy.
These are must-have pieces of equipment for trainers
and users who wish to have extra stability and general security when going heavy while dumbbell
urgent. They remove the need for spotters by providing the entire assist needed to initiate
exercise.
Whether Or Not you're a newbie or an experienced lifter,
mastering the right form and technique is essential for maximizing your outcomes and minimizing the danger of harm.
The flat bench press exercise and its variations are basic to building power, measurement, and functionality in your upper body.
By incorporating totally different workouts, focusing on type, and following a structured routine, you can achieve
impressive results. Whether Or Not you’re a newbie or a complicated lifter,
the flat bench provides endless prospects to progress and challenge yourself.
In bodybuilding the flat bench dumbbell press is very important for full development of the chest, especially
the middle section and anterior shoulder joint muscle tissue.
It is an assistive train for the triceps and serratus anterior.
You also have to be conscious of its correct technique to keep away from accidents.
The bench press mimics pushing actions used in sports activities and every
day life, such as throwing, shoving, or transferring heavy objects.
Have you ever puzzled why so many individuals
struggle to get up from the dumbbell bench press,
even when they appear robust sufficient to lift? This common dilemma highlights the
significance of bench press… Dumbbell presses typically present
more flexibility in movement, which might scale back joint strain. Nonetheless,
correct type in both presses is important for joint health.
Bench pressing can permit for heavier weights, which may
be effective for constructing mass, but both strategies could
be equally efficient with proper coaching.
Using momentum by bouncing the barbell off your chest reduces
effectiveness and will increase harm danger.
Flaring your elbows out to 90 levels can increase the chance of shoulder injuries.
Flyes isolate the chest muscular tissues, making them a wonderful addition to your exercise for definition and muscle shaping.
This variation shifts the emphasis to the triceps whereas nonetheless participating the chest
and shoulders. Using dumbbells permits for a higher range
of motion and helps appropriate muscle imbalances.
The basic model, this exercise allows for
heavy lifting and is ideal for constructing
most energy and mass. Or possibly you have been going to health club
and in a position to up your game to the barbell bench press and don't wish to make any mistakes then you would possibly be undoubtedly in the best
location for your reply. Heather Jacques is a former collegiate athlete that graduated from Grand Valley State University with a
Bachelor of Science in Athletic Training. Alongside with writing content material for Raise
Vault, Heather works for one of many quickest rising sports activities nutrition companies, Axe
& Sledge Dietary Supplements, as their product specialist.
Heather is an avid lifter, snowboarder, and outdoor fanatic.
You can even carry out the barbell exercise variation, or use dumbbells instead.
Nevertheless, the principal model of the chest press is
the flat barbell bench press, which is used in competitive sport.
The incline bench press and the flat bench press are each great exercises for building your chest and shoulder muscular tissues.
Whereas they train the identical main muscle teams, there are nonetheless
some variations. The Flat Dumbbell Bench Press is a staple train in strength
training, concentrating on the pectoral muscular tissues with a motion that requires cautious consideration to type.
All three heads run into a common tendon which attaches to the
olecranon means of the ulna bone within the forearm.
Honestly, the decline is the least necessary of flat, incline and decline bench presses for
the common lifter. You can get just as good effect for the decrease chest with weighted dips
and its safer. Really flat and incline are
an important bench press variations.
Dumbbell bench press challenges are various targets or exams that an athlete
can complete. They are a means for athletes to push themselves to perform more within the weight room.
If you're able to dominate the dumbbell bench press,
you should follow these six steps. Your elbows ought to be
directly under your wrists as you put together to lower the dumbbells.
Maintaining your elbows and wrists in alignment will hold your shoulders
within the right place. To set your back, flex your shoulder blades and squeeze them collectively.
To carry out this exercise correctly, start by mendacity flat on a
bench, ft planted on the bottom for stability. Hold a dumbbell in every hand at chest level along with your arms bent.
Push the weights upward in a controlled motion till your arms are
fully prolonged, then slowly decrease them again to the beginning place.
When participating in the flat dumbbell bench press, several
muscle tissue are referred to as into action. The pectoralis main is the first muscle
worked, with the clavicular head being extra lively than in a regular bench press because of the
angle of the press. The deltoids and triceps brachii play secondary roles,
assisting with the press and lockout at the top of the movement.
Additionally, the core muscles, including the rectus abdominis and obliques,
are engaged to stabilize the body all through
the exercise.
If you’re looking to construct measurement and definition in your higher chest, the incline dumbbell press is a great choice.
However, if you’re excited about maximizing energy gains or focusing on all parts of your pectorals, the flat bench press is a greater
option. Also often known as the dumbbell flat bench press or the dumbbell chest press, the dumbbell bench press is an upper
body exercise that primarily targets your chest and pectoral muscle tissue.
It has the additional benefit of working your arms and shoulders as
well. Understanding the mechanics of the flat dumbbell bench press is essential for reaping its benefits.
Each barbell bench press variation has a special place in my coronary heart.
I really feel like I bear in mind an actual second in time
after I was equally obsessive about the incline, flat, and decline bench press for
no matter reasons. If that is you, switching a few of your flat bench
press quantity for incline presses might hold your shoulder joints a little happier.
Following this kind of various routine is necessary to verify
you’re working your whole body. This sort of weekly routine also lets you take relaxation days to permit
completely different muscles to recuperate. If you like selection, you can choose 2 or
extra variations per exercise. Attempt to give your self 1 or 2 rest days, allowing muscle tissue
to get well before switching between the opposite variations.
Steven is a licensed private trainer and fitness enthusiast primarily based in L A.
He launched Steven Fitspot in 2024 to share his love of health and wellness with others.
Just like some other weighted train, you have
to be careful about its type and approach. Strengthen supporting muscles just like the
triceps and shoulders with workout routines like dips, overhead presses, and
cranium crushers. Skipping a proper warm-up can lead to poor efficiency and
increased injury risk. Dumbbells are harder to bench usually since you've
too stabilize two completely different weights independently and with a barbell you are using your two pectoral muscular tissues
to push one stabilized weight. Following the method above should make your
dumbbell bench press arrange a lot smoother and remove those annoying little neck and
shoulder tweaks.
References:
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