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Science & Research

750 mg na PA ya ƙara 2.6 % na lean body mass a cikin makonni 8 – Amma akwai matsala

Dr. Gymbro · · 4 min read

Lambar Da Ta Jawo Hankalin Kowa

A wani gwajin pilot na makonni takwas, maza masu horo da suka sha phosphatidic acid (PA) sun samu ƙaruwa na 2.6 % a lean body mass. Rukunin placebo kuwa ya samu ƙaruwa kaɗan – 0.1 %. Wannan bambanci ne ya sa PA ke tashe a muhawarar ƙarin abinci da kuma shafukan gina jiki.

Amma, binciken kididdiga da masu binciken suka yi ba su ba da tabbacin wannan bambanci ba, kamar yadda manyan talla ke nuna. Ga abin da aka gano da abin da ba a gano ba.

Menene Phosphatidic Acid Kuma Me Ya Sa Ake Zaton Zai Gina Tsoka?

Phosphatidic acid (PA) fosfolipid ne da ke aiki a matsayin saƙon sigina a cikin ƙwayoyin halitta. Ana danganta ƙara PA da hanyar mTOR (mammalian target of rapamycin), wadda ita ce babbar gadajen haɓakar furotin a tsoka. An ruwaito PA na kunna siginar mTOR, don haka masu bincike sun yi zato cewa shan PA ta baki zai ƙara tasirin anabolic ga horon ƙarfi.

Tsarin wannan tunani yana da asali mai kyau, amma har yanzu ba a tabbatar da sakamakon sa a cikin ‘yan adam ba. Hoffman da abokan aikin sa suka tsara gwajin nan don duba ko ra’ayin ya iya aiki a zahiri.

Tsarin Gwaji: Waɗanda, Nawa, Tsawon Lokaci

Binciken da aka wallafa a 2012 a Journal of the International Society of Sports Nutrition an bayyana a fili a matsayin gwaji na pilot. Ga muhimman bayanai:

  • Masu halarta: maza 16 masu horon ƙarfi, matsakaicin shekaru 23
  • Rukunin PA: maza 7 da ke sha 750 mg na PA a kowace rana
  • Rukunin placebo: maza 9
  • Horon: shirin horon ƙarfi na kwanaki 4 a mako tsawon makonni 8
  • Sakamako: 1‑RM bench press da squat, lean body mass, da kaurin tsoka da kusurwar pennation na vastus lateralis

Kwayar 750 mg a kowace rana ita ce adadin da aka fi ambata a jere‑jerensa na PA.

Sakamako: Abubuwan Da Aka Gani

Idan muka kalli sakamakon da muka samu:

  • Squat 1‑RM: +12.7 % a rukunin PA vs. +9.3 % a placebo
  • Lean body mass: +2.6 % a PA vs. +0.1 % a placebo

Duk rukuni biyu sun ƙara ƙarfin su, abin da ake tsammani bayan makonni takwas na horo. Bambancin da ya fi jan hankali shi ne ƙarin lean body mass a PA.

Matsalar: Babu Bambanci Mai Mahimmanci a Ka’ida

Masu binciken sun bayyana cewa binciken parametrik bai nuna bambanci mai ƙarfi tsakanin rukuni biyu ba. Bisa ƙa’idojin al’ada (p > 0.05), ba za a iya cewa PA ya fi placebo ba.

Maimakon haka, an yi amfani da magnitude‑based inference (MBI) – wata hanya da ke tantance yiwuwar tasiri a matsayin “mai yiwuwa”, “mai yiwuwa sosai”, da sauransu. Da MBI:

  • Squat strength: an ce yana da “mai yiwuwa” na amfanin PA
  • Lean body mass: an ce yana da “mai yiwuwa sosai”

MBI yafi sassauci fiye da gwajin al’ada, kuma tana samun suka a cikin al’ummar kimiyyar wasanni. Ana amfani da ita a kan ƙananan gwaje‑gwaje inda gwajin al’ada ba ya da ƙarfin gano bambanci. Hakan na iya nuna alamu masu alƙawari, amma ba hujja ta ƙarshe ba.

Iyakoki Da Ya Kamata Ka Sani

  • Samfurin ƙanana: maza 7 vs. 9 – bambanci ƙarami na iya shafar sakamakon sosai.
  • Babu bambanci mai mahimmanci a ƙarƙashin gwajin al’ada.
  • Lokaci gajere: makonni 8 ba su ba da haske kan tasirin dogon lokaci ba.
  • Yanayi ɗaya: matasa maza masu horo. Sakamakon na iya bambanta ga mata, manya, ko masu farawa.
  • Gwajin pilot: an bayyana shi a matsayin na farko – don hasashe, ba don tabbatarwa ba.
  • Bambancen mutum‑to‑mutum: a cikin ƙananan rukuni, bambancin yanayin jiki da yadda mutum ke mayar da martani ga horo na iya zama babba.

Abubuwan Da Za Ka Iya Amfani Da Su

Idan kana sha’awar PA, ga wasu abubuwan da wannan gwaji ke tallafawa:

  1. Kwaya: An yi amfani da 750 mg a rana, an sha kowace rana tare da horo. Babu shaida a nan cewa ƙarin kwaya zai fi tasiri.
  2. Lokaci: Gwajin ya bayyana shan a kowace rana fa, amma ba ya fayyace ko a lokacin horo ne, ko kafin ko bayan horo. Ka duba takardar asali kafin ka yi ikirarin wani tsari na “pre‑ko‑post‑workout”.
  3. Horon: Dukkan rukuni biyu sun yi horo sau huɗu a mako, don haka PA wani ƙari ne ga shirin horo mai kyau, ba maganin da zai maye gurbin shi ba.
  4. Sa ran sakamako kaɗan, maras tabbas: A mafi kyawun yanayi, gwajin na nuni da yiwuwar ƙaramin fa'ida a lean body mass da ƙarfafa squats. Ba ya ba da garantin hakan ba.
  5. Kada ka watsi da muhimman abubuwa: Cinye isashen furotin, adadin kalori gaba ɗaya, ƙara nauyi a hankali, da samun isasshen barci zai fi duk wani ƙari ɗaya tasiri.

Kammalawa

Gwajin ya ba da alamar cewa PA na iya zama hanyar da za a bi – kwaya mai amfani, kuma yana nuna alamu masu kyau a ƙarfafa squats da ƙarin lean body mass. Amma an yi shi ne kan mutane 16 kacal, babu bambanci mai ƙarfi a ƙarƙashin ƙa’idojin al’ada, kuma tsawon sa na makonni 8 ne kawai. Don haka, wannan gwaji na pilot ne, ba hujja ta ƙarshe ba.

Idan za ka gwada PA, ɗauke shi a matsayin gwaji: ka bi sawun ci gaban ka, ka rage tsammanin ka, kuma ka ci gaba da kula da abinci, horo, da barci. Babban gwaje‑gwaje masu tsawon lokaci da ƙungiyoyi masu zaman kansu ne za su iya juya wannan alamar alkawari zuwa sakamako da aka tabbatar da shi.

Original study

Read the original research on pubmed.ncbi.nlm.nih.gov →

This article summarizes published research for general information. It is not medical advice.

DG

Written by

Dr. Gymbro

Dr. Gymbro writes for Dr. Gymbro: science-backed fitness, nutrition & performance.

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