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- 01GZG7CP4GES9W2BVBXYT67E61 classification C3.
- 01GZG7CP4GES9W2BVBXYT67E61 date "2022".
- 01GZG7CP4GES9W2BVBXYT67E61 language "eng".
- 01GZG7CP4GES9W2BVBXYT67E61 type conference.
- 01GZG7CP4GES9W2BVBXYT67E61 subject "Medicine and Health Sciences".
- 01GZG7CP4GES9W2BVBXYT67E61 presentedAt urn:uuid:95d89dcf-361c-47a5-86a8-24b3057be7ee.
- 01GZG7CP4GES9W2BVBXYT67E61 abstract "Objectives: Considerable heterogeneity exists in the individual hypertrophy and strength responses to resistance training. We investigated if the high variability in muscle fiber typology across humans is one of the missing elements in understanding this heterogeneity and if different training frequencies and volumes cause different training responses in slow typology (ST) and fast typology individuals (FT). Methods: Eleven untrained ST (21.9±2.9yr, 6 men) and 10 FT (22.2±1.0yr, 5 men) performed 10 weeks of leg extensions and leg curls to failure (3-4 sets/training, 60%1RM). Muscle typology was estimated measuring leg muscle carnosine (proton magnetic resonance spectroscopy). A within-subject design was used: leg A trained 3x/week, leg B 2x/week. Hypertrophy of the 4 quadriceps and 3 hamstring muscles was measured by MRI (Springbok Analytics). Maximal dynamic strength was measured by 1RM determination. Paired and Independent Samples t-Tests and two-way RM ANCOVAs were used to detect differences between pre-post, ST-FT and 3x-2x/week conditions. Results: Individual changes in muscle volume and strength ranged resp. from 0.1%-11.4% and 4.2%-43.8% in the quadriceps and 2.1%-23.1% and 6.7%-90.0% in the hamstrings. However, no significant differences were found between ST and FT in individual (per muscle) and mean (all muscles) hypertrophy and strength changes. In the 3x/week condition mean hypertrophy was 9.5±4.6% (ST) vs 8.3±3.2% (FT) (p=0.53), mean Δ1RM was 23.9±9.13% (ST) vs 28.8±11.9% (FT) (p=0.31). The 2x/week condition caused a hypertrophy of 7.3±3.3% (ST) vs 6.8±3.0% (FT) (p=0.68) and a mean Δ1RM of 23.7±10.3% (ST) vs 21.4±8.6% (FT) (p=0.62). No interaction effect was found between muscle typology and training frequency. Conclusion: The heterogeneous response to resistance training seems independent of muscle typology as training to failure leads to equal hypertrophy and dynamic strength changes in the leg muscles of untrained ST and FT. Additionally, optimal resistance training frequency and volume do not differ between ST and FT.".
- 01GZG7CP4GES9W2BVBXYT67E61 author 1813794E-4207-11E5-8B23-0205B5D1D7B1.
- 01GZG7CP4GES9W2BVBXYT67E61 author 2A38150C-F0EE-11E1-A9DE-61C894A0A6B4.
- 01GZG7CP4GES9W2BVBXYT67E61 author A484D232-27EC-11E4-AF8B-A2F1B4D1D7B1.
- 01GZG7CP4GES9W2BVBXYT67E61 author BD0ED972-1F47-11E4-ABD6-473CB5D1D7B1.
- 01GZG7CP4GES9W2BVBXYT67E61 author E83CC61E-EC07-11E2-BA47-97D610BDE39D.
- 01GZG7CP4GES9W2BVBXYT67E61 author F4EF24F8-F0ED-11E1-A9DE-61C894A0A6B4.
- 01GZG7CP4GES9W2BVBXYT67E61 dateCreated "2023-05-03T07:14:25Z".
- 01GZG7CP4GES9W2BVBXYT67E61 dateModified "2024-10-29T16:02:44Z".
- 01GZG7CP4GES9W2BVBXYT67E61 name "Influence of muscle fiber typology on leg muscle hypertrophy and dynamic strength gains after 10 weeks of resistance training to failure".
- 01GZG7CP4GES9W2BVBXYT67E61 publisher urn:uuid:34ef6358-f746-4730-8191-6bc5121636d8.
- 01GZG7CP4GES9W2BVBXYT67E61 sameAs LU-01GZG7CP4GES9W2BVBXYT67E61.
- 01GZG7CP4GES9W2BVBXYT67E61 sourceOrganization urn:uuid:7508489b-e5a8-4e6b-a91a-21035b7f5bc5.
- 01GZG7CP4GES9W2BVBXYT67E61 type C3.