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Diagram of an off-tackle play. An off-tackle run in American football is a play in which the running back carries the ball through a running lane off of the tackle's block. The lead block kicks out the end man on the line of scrimmage, and another offensive player usually blocks the linebacker.
Toss sweep Buck sweep Flanker sweep Quarterback sweep. A sweep is an outside running play in American football where a running back takes a pitch or handoff from the quarterback and starts running parallel to the line of scrimmage, allowing for the offensive linemen and fullback to get in front of him to block defenders before he turns upfield.
A tackle in a three-man defensive line who lines up opposite the center. Contrary to a regular defensive tackle, a nose tackle is often much larger and considered the "anchor" of the line, effective at disrupting blocking schemes and stopping runs.
A selective sweep can occur when a rare or previously non-existing allele that increases the fitness of the carrier (relative to other members of the population) increases rapidly in frequency due to natural selection. As the prevalence of such a beneficial allele increases, genetic variants that happen to be present on the genomic background ...
A player doing a keepie-uppie Association football (more commonly known as football or soccer) was first codified in 1863 in England, although games that involved the kicking of a ball were evident considerably earlier. A large number of football-related terms have since emerged to describe various aspects of the sport and its culture. The evolution of the sport has been mirrored by changes in ...
A psychologists with the focus of health psychology would have a biopsychosocial model approach with patients. Forensic psychologists usually have a background in criminal justice and pursue a master's in forensic psychology. Clinical psychology can be pursued in education by a master's or a PsyD program to receive more research or academic ...
Reinforcement hierarchy is a list of actions, rank-ordering the most desirable to least desirable consequences that may serve as a reinforcer. A reinforcement hierarchy can be used to determine the relative frequency and desirability of different activities, and is often employed when applying the Premack principle. [citation needed]
A tackle is known as a quarterback sack when the quarterback is tackled at or behind the line of scrimmage while attempting to throw a pass. A tackle for loss is a tackle that causes a loss of yardage for the opposing running back or wide receiver. This happens when the quarterback is sacked, when either a rusher or a receiver is tackled behind ...