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A wide, cinematic landscape photograph of a freediver suspended mid-water in a calm, sunlit turquoise sea, shot from slightly below so the surface glimmers above like rippling silver glass. The diver wears a sleek matte black wetsuit and a long, elegant pair of carbon fins. Their body is streamlined, arms relaxed at their sides, head tilted slightly down in a state of serene focus. Shafts of soft golden sunlight pierce the water diagonally and illuminate fine floating particles and a trail of tiny bubbles rising from the diver's fins. A single thin dive line descends vertically into deeper blue at the right of the frame, adding a graphic compositional element. In the lower left foreground, slightly out of focus, a minimalist still-life element rests on a pale sandy seabed: a small, clean white scoop with a mound of fine white powder, casually echoing creatine without any text or labels. The scoop is softly lit and has a shallow depth of field blur, creating a gentle visual link between supplement and sport. The color palette is refined and modern: deep teal, aquamarine, soft cerulean, warm cream highlights, and touches of sunlit gold. The water gradients smoothly from bright, luminous turquoise near the top to a rich inky navy at the bottom, giving depth and a sense of quiet intensity. Leave generous negative space on the left third of the image for headline placement, with the diver positioned on the right third following the rule of thirds. The mood is calm, athletic, and contemplative, like an editorial image from a premium health and science magazine. Style: high-end editorial photography, natural light, subtle film grain, soft contrast, crisp detail on the diver and gentle bokeh in the background. No text, no logos, no futuristic or sci-fi elements, no graphics overlays.
Nutrition

Kreatin Bisa Nambah Kinerja Senajan Ora Bisa Nganggep Napas: Uji Coba Freediver Sing Nggawa Hasil

Dr. Gymbro · · 4 min read
#supplements #creatine #creatine loading #anaerobic performance #lactate #freediving #breath hold

Apa sing kedadeyan ing otot nalika kowe nyuruh supaya kerja maksimal nanging ora diwènèhi oksigen anyar?

Sawijining uji coba acak ing freediver nuduhaké yén kreatin, suplemen paling akèh ditliti ing nutrisi olahraga, bisa mbantu ing kahanan kaya ngéné.

Temuan Utama: Kerja Luwih Akeh, Laktat Luwih Endhek

Peneliti sing dipimpin Kurmazovic nyoba protokol muatan standar kreatin monohidrata ing freediver terlatih. Para peserta numpak sepeda ergometer nganggo siji napas, nyoba nutupi jarak sak bisa‑bisane. Sawisé seminggu ngonsumsi kreatin, padha ngasilaké kerja total luwih akèh lan tahan luwih suwe sadurunge kelelahan tinimbang grup plasebo.

Hasil laktat iku sing paling nggumunake. Laktat getih luwih endhek ing grup kreatin tinimbang grup plasebo, sanajan grup kreatin nuduhaké kinerja luwih apik. Biasane, ngebut luwih keras artiné laktat tambah, mula iki nglawan apa sing biasané dikarepaké. Makalah kasebut nglaporaké interaksi Waktu × Grup sing signifikan kanggo laktat (p = 0.003).

Carane Studi Iki Dilakokaké

Iki minangka uji coba double‑blind, randomisasi, kontrol plasebo sing dipublikasikaké ing Journal of the International Society of Sports Nutrition taun 2026. Totalé 20 freediver terlatih (18 wong lanang, 2 wong wadon, umur rata‑rata kira‑kira 41,6 taun).

  • Tes: Pemanasan cekak, banjur usaha maksimal numpak sepeda nganggo siji napas, nyoba nganti jarak paling gedhé.
  • Protokol: Ujian pra‑suplemen, banjur alokasi acak menyang kreatin monohidrata (20 g/hari suwéné 7 hari) utawa plasebo, lan uji ulang.
  • Ukuran: Kerja total, wektu nganti kelelahan, laktat getih, pCO₂ napas metu sawisé usaha, persepsi usaha napas lan kelelahan otot, lan komposisi awak kanthi DXA scan.
  • Registrasi: ClinicalTrials.gov NCT07233707.

Napa Kreatin Bisa Penting Nalika Kowe Nahan Napas

Alasané prasaja. Kreatin dikenal ndhukung kasedhiyan energi anaerobik lan kapasitas buffering. Sajrone usaha nahan napas, otot luwih ngandelake produksi ATP anaerobik, mula ATP sing asalé saka fosfokreatin bisa dadi nilai tambah. Sadurungé iki, ora ana sing nyoba apa manfaat iki muncul nalika apnea sukarela.

Asilé konsisten karo gagasan kuwi. Kerja total (p = 0.011) lan wektu nganti kelelahan (p = 0.028) loro‑loro luwih apik karo kreatin tinimbang plasebo. Makalah ora langsung mbuktekaké mekanisme, mula panjelasan iki kudu dianggep minangka hipotesis sing masuk akal, dudu fakta sing pasti.

Hasil Liyane

  • Massa tanpa lemak nambah luwih akeh karo kreatin (p = 0.017). Kreatin asring dikaitaké karo retensi banyu, lan studi iki ora misahaké penyebabé, mula ati‑ati yèn nganggep iki minangka pertambahan otot murni.
  • Persepsi usaha nahan napas ora béda antarane grup. Kreatin ningkataké performa tanpa nggawe napas nahan rasa luwih angel.
  • Skor kelelahan otot nuduhaké peningkatan tipis ing grup kreatin.
  • pCO₂ napas metu, massa lemak, lan total massa awak ora nuduhaké beda signifikan antarane grup.

Takeaway Praktis

Dosis: Studi iki nggunakake 20 g/hari kreatin monohidrata suwéné 7 hari. Iki protokol muatan klasik. Abstrak ora nyebutaké cara pamérangan dosis saben dina. Akeh atlit mbagi muatan dadi sawetara sajian cilik sajrone dina; iki lumrah nanging ora diuji ing makalah iki.

Wektu: Makalah ora nyoba wektu relatif marang latihan utawa kompetisi, mula ora ana jawaban berbasis bukti babagan panggunaan kreatin sakwise sesi latihan utawa sadurunge nyelam.

Sapa sing bisa entuk manfaat:

  • Freediver lan spearfisher: Iki grup sing langsung diteliti, mula bukti paling langsung kanggo wong iki.
  • Atlet kombat lan renang: Usaha nahan napas utawa napas sing diwatesi lan ledakan anaerobik sing bola‑bali umum ing olahraga iki. Iki extrapolasi, lan studi ora nyoba wong iki.
  • Sapa wae sing nindakake kerja anaerobik intensitas tinggi: Kreatin wis nduwèni rekaman dawa ing kéné. Uji coba iki nambah konteks anyar ing ngendi kreatin katon efektif.

Keterbatasan

Iki karya sing ngajanjèkaké, nanging ora kena dilebih‑lebihi.

  1. Sampel cilik. Mung 20 peserta, mula asilé isih preliminer. Uji coba cilik bisa ngluwihi perkiraan efek lan butuh replikasi.
  2. Populasi sempit. Grup iki freediver terlatih, mayoritas wong lanang umur 41 taun. Mung loro wanita melu, dadi asil ora ngandhut informasi bab bedane gender.
  3. Sepeda laboratorium ora selam. Tes sepeda maksimal nganggo siji napas ora padha karo selam jero, apnea statik, utawa kompetisi. Penulis nyebut kreatin minangka strategi potensial kanggo olahraga napas nahan, nanging iki dudu bukti performa selam nyata.
  4. Keamanan. Freediving nduwèni risiko serius, kalebu blackout. Ora ana sing ing studi iki sing nggawe napas nahan luwih aman, lan kreatin ora dadi alesan kanggo ngetokaké wates. Aja tau latihan apnea dewekan.
  5. Hasil laktat ora jelas. Laktat luwih endhek bareng kerja luwih akèh menarik, nanging abstrak ora nerangaké sababé, mula aja kakehan maca.
  6. Skor kelelahan otot. Kenaikan tipis ing persepsi kelelahan otot nuduhaké manfaat ora tanpa trade‑off.

Kesimpulan

Studi iki nemokaké yén seminggu muatan kreatin monohidrata ningkataké output kerja lan wektu tahan napas ing tes sepeda napas nahan kanggo freediver terlatih, lan laktat getih malah luwih endhek tinimbang plasebo. Amarga sampel cilik, iki sinyal kuat tinimbang keputusan final. Yen kowe nindakake olahraga napas nahan utawa anaerobik lan wis mikir ngonsumsi kreatin, temuan iki nambah wacan. Nanging tetep konsultasi karo profesional kesehatan dhisik, utamane yèn ana masalah ginjal utawa kondisi kesehatan liya.

Sumber: Kurmazovic et al. Load and breath‑hold: impact of 7‑day creatine monohydrate loading on breath‑hold exercise performance – a double‑blind randomized controlled trial. J Int Soc Sports Nutr, 2026. DOI: https://doi.org/10.1080/15502783.2026.2732743 | PubMed 42868132

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.

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Dr. Gymbro

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

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