StrongFirst | Sing! @BeStrongFirst | Uploaded April 2015 | Updated October 2024, 21 hours ago.
Pavel Tsatsouline helping an SFG candidate learn a particular strength safety & performance technique involving breath, tension, and abdominal pressure at an SFG Certification.
Pavel Tsatsouline helping an SFG candidate learn a particular strength safety & performance technique involving breath, tension, and abdominal pressure at an SFG Certification.