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AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...
1-inch Type C Helical Scan or SMPTE C is a professional reel-to-reel analog recording helical scan videotape format co-developed and introduced by Ampex and Sony in 1976. It became the replacement in the professional video and broadcast television industries for the then-incumbent 2-inch quadruplex videotape (2-inch Quad for short) open-reel format.
D6 HDTV VTR is SMPTE videocassette standard. A D6 VTR can record and playback HDTV video uncompressed. The only D6 VTR product is the Philips, now Thomson's Grass Valley's Media Recorder, model DCR 6024, also called the D6 Voodoo VTR. The VTR was a joint project between Philips Digital Video Systems of Germany and Toshiba in Japan.
On March 14, 1961, Ampex introduced the first helical scan video recorder, the VR-8000, which recorded video using helical scan recording technology on 2-inch tape. The VR-8000 was made using a similar chassis used by Ampex's 2-inch quadruplex VTRs. Unlike the VR-660, it used only one video head on the scanner with a full alpha wrap.
An alternative form of HIIT, designed for heart rate training, involves a 30-minute period of cardio followed by 30 minutes of full-body resistance training to help maximize calorie burning. [15] The idea is to combine aerobic exercise with intense weight and resistance training to achieve a high level heart rate for an extended period of time ...
This exercise targets the hamstrings, glutes, and quadriceps, making it a great full-body movement. This movement also requires good balance and stability, so core strength is also an important aspect. Equipment required Bench, dumbbell or body weight. Variations
In the 1950s and 1960s, full-body workouts were the normal way to train, and bodybuilders such as John Grimek (1940-41 Mr. America), Steve Reeves (Mr. America of 1947, Mr. World of 1948, and Mr. Universe of 1950), George Eiferman (Mr. America of 1948, and Mr. Universe of 1962), Reg Park (Mr. Universe of 1951, 1958, and 1965), and Leroy Colbert ...
The body most efficiently produces power when its strength producing areas exist in particular proportions. If these proportions exist in the correct ratio to each other, then power generation can be optimised. Conversely, if one area is too strong, this may mean that it is disproportionately strong relative to other areas of the body.