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Exercise and muscle

The "sprinter gene" is the most oversold result in consumer genetics.

Why this topic Strength training went mainstream at the same time as running.

From our blog

A muscle fiber splitting into two paths, one built for a short powerful burst, one built for sustained endurance

Is There Really a "Sprinter Gene"? Yes — Meet ACTN3.

Every gym-culture video insists some people are just "built" for lifting heavy and others for endurance. There…

What this topic connects to

Exercise and muscle Variant: rs9939609 rs9939609 Variant Variant: rs1815739 rs1815739 Variant Variant: rs6265 rs6265 Variant Variant: rs1421085 rs1421085 Variant Variant: rs8050136 rs8050136 Variant Variant: +93 more +93 more Variant Exercise and muscle Exercise and muscle

Solid lines are connections this site curates. Dashed lines mean the two ends share a research paper — worth knowing, and not a claim that one explains the other.

Variants that share a paper with this

Counted in Europe PMC, where the title or abstract names both this topic and that rsID. The number is papers, not evidence of a cause.

rs9939609

FTO

Menarche (age at onset)

97 papers →

rs1815739

ACTN3

Muscle fiber type ("sprinter gene")

36 papers →

rs6265

BDNF

Smoking behavior

27 papers →

rs1421085

FTO

Obesity

15 papers →

rs8050136

FTO

Type 2 diabetes

10 papers →

rs429358

APOE

Lewy body disease

9 papers →

rs12970134

MC4R

Waist circumference and related phenotypes

7 papers →

rs1801133

MTHFR

Folate metabolism (MTHFR C677T)

7 papers →

rs671

ALDH2

Alcohol flush reaction

7 papers →

rs1799945

HFE

Iron overload risk (HFE H63D)

5 papers →

rs1799964

HLA-DQA2

Crohn's disease

5 papers →

rs2282679

GC

Vitamin D levels

5 papers →

rs1799971

OPRM1

Opioid receptor sensitivity

4 papers →

rs662799

APOA5

Triglyceride levels

4 papers →

rs9930506

FTO

Obesity-related traits

4 papers →

rs1532624

NLRC5

HDL cholesterol

3 papers →

rs1805096

LEPR

C-reactive protein

3 papers →

rs4343

ACE

Angiotensin-converting enzyme activity

3 papers →

rs4988235

MCM6 / LCT

Lactose tolerance

3 papers →

rs780094

GCKR

Uric acid levels

3 papers →

rs10938397

GNPDA2

Obesity

2 papers →

rs1229984

ADH1B

Alcohol metabolism speed

2 papers →

rs2014355

ACADS

Metabolite levels

2 papers →

rs2216405

CPS1

Metabolic traits

2 papers →

rs2286963

ACADL

Metabolite levels

2 papers →

rs2954029

TRIB1

Triglycerides

2 papers →

rs340874

PROX1

Psoriasis or type 2 diabetes (trans-disease meta-analysis)(opposite effect)

2 papers →

rs3736228

LRP5

Bone mineral density

2 papers →

rs3764261

CETP

HDL cholesterol

2 papers →

rs3798220

LPA

Coronary heart disease

2 papers →

rs5370

EDN1

Circulating vasoactive peptide levels

2 papers →

rs603424

SCD

Metabolic traits

2 papers →

rs6499640

FTO

Body mass index

2 papers →

rs6567160

near MC4R

Childhood obesity

2 papers →

rs7094971

SLC16A9

Metabolic traits

2 papers →

rs7832552

TRHR

Body mass (lean)

2 papers →

rs8396

ETFDH

Metabolite levels

2 papers →

rs9393903

ELOVL2

Metabolic traits

2 papers →

rs10146997

NRXN3

Waist circumference

1 paper →

rs10246939

TAS2R38

Bitter taste perception (TAS2R38 position 296)

1 paper →

rs10455872

LPA

Parental lifespan (LPA, lipoprotein(a))

1 paper →

rs1051730

CHRNA3

Smoking behavior

1 paper →

rs10906115

CDC123

Type 2 diabetes

1 paper →

rs10941679

near MRPS30

Breast cancer

1 paper →

rs11030104

BDNF

Body mass index

1 paper →

rs11558471

SLC30A8

Proinsulin levels

1 paper →

rs11671664

GIPR

Body mass index (SNP x SNP interaction)

1 paper →

rs11676272

ADCY3

Body mass index

1 paper →

rs12150660

SHBG

Testosterone levels

1 paper →

rs1470579

IGF2BP2

Type 2 diabetes

1 paper →

rs1481012

ABCG2

Gout

1 paper →

rs1558902

FTO

Obesity

1 paper →

rs17249754

ATP2B1

Blood pressure

1 paper →

rs174583

FADS2

QT interval

1 paper →

rs1799884

GCK

Glycated hemoglobin levels

1 paper →

rs1799969

ICAM1

Soluble ICAM-1

1 paper →

rs1800469

TGFB1

Colorectal cancer

1 paper →

rs1801131

MTHFR

Folate metabolism (MTHFR A1298C)

1 paper →

rs182052

ADIPOQ

Adiponectin levels

1 paper →

rs1883025

ABCA1

HDL cholesterol

1 paper →

rs2000999

HPR

LDL cholesterol

1 paper →

rs2046210

ESR1

Breast cancer

1 paper →

rs2070600

AGER

Pulmonary function

1 paper →

rs2097677

IL6

C-reactive protein

1 paper →

rs267939

DAP

Ulcerative colitis

1 paper →

rs2736098

ZDHHC11

Pancreatic cancer

1 paper →

rs2736100

TERT

Lung adenocarcinoma

1 paper →

rs3101336

NEGR1

Obesity

1 paper →

rs326

SLC18A1

Triglycerides

1 paper →

rs3757318

ESR1

Breast cancer

1 paper →

rs3794060

DHCR7

Systemic lupus erythematosus

1 paper →

rs3817198

LSP1

Breast cancer

1 paper →

rs401681

TERT

Serum prostate-specific antigen levels

1 paper →

rs459193

ANKRD55

Waist-to-hip ratio adjusted for body mass index

1 paper →

rs4804416

INSR

Thyroid hormone levels

1 paper →

rs4870044

ESR1

Bone mineral density (spine)

1 paper →

rs5215

KCNJ11

Type 2 diabetes

1 paper →

rs5498

ICAM1

Soluble ICAM-1

1 paper →

rs55743914

PTPRK

Celiac disease

1 paper →

rs560887

G6PC2

Fasting plasma glucose

1 paper →

rs5742692

IGF1

Height

1 paper →

rs574367

SEC16B

Body mass index

1 paper →

rs6025

F5

Blood clotting risk (Factor V Leiden)

1 paper →

rs6235

PCSK1

Proinsulin levels

1 paper →

rs6687758

DUSP10

Colorectal cancer

1 paper →

rs693

APOB

Cholesterol, total

1 paper →

rs6983267

POU5F1B

Prostate cancer

1 paper →

rs713598

TAS2R38

Bitter taste perception (PTC/PROP tasting)

1 paper →

rs7524102

ZBTB40

Bone mineral density (spine)

1 paper →

rs762551

CYP1A2

Caffeine metabolism

1 paper →

rs7647305

SFRS10

Body mass index

1 paper →

rs780093

GCKR

Crohn's disease

1 paper →

rs7901695

TCF7L2

Type 2 diabetes

1 paper →

rs8099917

IL29

Chronic hepatitis C infection

1 paper →

rs9364554

SLC22A3

Prostate cancer

1 paper →

rs9389269

HBS1L

Red blood cell traits

1 paper →

rs964184

ZNF259

Triglyceride levels

1 paper →

rs987237

TFAP2B

Adiposity

1 paper →

How this was counted

Europe PMC, title and abstract only, searched for “muscle fiber type”, “physical activity”, “athletic performance”, “exercise capacity” alongside each published rsID. Full text was not counted: it returns every paper with an rsID buried in a supplementary table. Recounted monthly.

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Exercise and muscle. MyGeneLog™. https://www.mygenelog.com/topics/exercise

Questions about Exercise and muscle

What is Exercise and muscle?

Exercise and muscle is this site's topic page for muscle-performance genetics — including the "sprinter gene," the single most oversold result in consumer genetics.

Is the "sprinter gene" real?

It is real as a variant, but the claims made about it are the most oversold result in consumer genetics. A single gene does not make an athlete, and this topic exists partly to say so plainly.

Why is exercise and muscle a topic on this site now?

Strength training went mainstream at the same time running did, and both trends now come with genetic claims attached that deserve the same scrutiny.

How does this site decide which variants are linked to exercise and muscle?

Europe PMC is searched for muscle fiber type, physical activity, athletic performance or exercise capacity appearing in a paper's title or abstract alongside a published rsID, recounted every month.