Abstract: There are provided herein, inter alia, complexes, compositions and methods for a vaccine for COVID-19. The cell-penetrating complexes provided herein may include a nucleic acid non-covalently bound to a cationic amphipathic polymer, the cationic amphipathic polymer including a pH-sensitive immolation domain. The cell-penetrating complexes provided herein are, inter alia, useful in vaccines, wherein the vaccine includes a ribonucleic acid including a sequence encoding a viral protein, a nucleic acid adjuvant and a cationic amphipathic polymer provided herein including embodiments thereof.

Abstract: A pole vault swing-up rack includes a frame body with upper hooks and a lower push bracket. The rack is designed to hang vertically from a horizontal bar—as a pull-up bar—by the hooks. An athlete hanging from the pull-up bar in an upright vertical position may kick his/her legs and torso up to an inverted vertical position to simulate movement of a pole vault. The athlete's shoulders rest against vertical uprights of the rack to maintain the athlete's shoulders and body in front of a vertical plane as in a pole vault movement. A trainer can use the lower push bracket to assist the athlete in the kicking motion. The parts of the rack that come into contact with the athlete may be covered in foam padding and a rubber coating.

Abstract: A pole vault swing-up rack includes a frame body with upper hooks and a lower push bracket. The rack is designed to hang vertically from a horizontal bar—as a pull-up bar—by the hooks. An athlete hanging from the pull-up bar in an upright vertical position may kick his/her legs and torso up to an inverted vertical position to simulation movement of a pole vault. The athlete's shoulder rests against vertical uprights of the rack to maintain the athlete's shoulders and body in front of a vertical plane as in a pole vault. A trainer can use the lower push bracket to assist the athlete in the kicking motion. The parts of the rack that come into contact with the athlete may be covered in foam padding and a rubber coating.

Abstract: A pole vault swing-up rack includes a frame body with upper hooks and a lower push bracket. The rack is designed to hang vertically from a horizontal bar—as a pull-up bar—by the hooks. An athlete hanging from the pull-up bar in an upright vertical position may kick his/her legs and torso up to an inverted vertical position to simulate movement of a pole vault. The athlete's shoulders rest against vertical uprights of the rack to maintain the athlete's shoulders and body in front of a vertical plane as in a pole vault movement. A trainer can use the lower push bracket to assist the athlete in the kicking motion. The parts of the rack that come into contact with the athlete may be covered in foam padding and a rubber coating.

Abstract: A pole vault swing-up rack includes a frame body with upper hooks and a lower push bracket. The rack is designed to hang vertically from a horizontal bar—as a pull-up bar—by the hooks. An athlete hanging from the pull-up bar in an upright vertical position may kick his/her legs and torso up to an inverted vertical position to simulation movement of a pole vault. The athlete's shoulder rests against vertical uprights of the rack to maintain the athlete's shoulders and body in front of a vertical plane as in a pole vault. A trainer can use the lower push bracket to assist the athlete in the kicking motion. The parts of the rack that come into contact with the athlete may be covered in foam padding and a rubber coating.