| are capable; length; contraction; systolic blood pressure; specific; dramatically; angle of exertion; isometric exercises; breathing; contraction
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| 1. An isometric exercise involves a muscle … in which the … of the muscle remains constant, while tension develops toward a maximal force against an immovable resistance. 2. Isometric exercises … … of increasing muscular strength. 3. However, strength gains are relatively … with as much as a 20% overflow to the joint angle at which training is performed. 4. At other angles, the strength curve drops off … because of a lack of motor activity at that angle. 5. Thus strength is increased at the specific
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Isometric exercises.
Isometric exercises involve contraction against some immovable resistance.
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| … … …, but there is no corresponding increase in strength at other positions in the range of motion. 6. Another major disadvantage of these … … is that they tend to produce a spike in systolic blood pressure that can result in potentially life-threatening cardiovascular accidents. 7. This sharp increase in … … … results from a Valsalva maneuver, which increases intrathoracic pressure. 8. To avoid or minimize this effect, it is recommended that … be done during the maximal … to prevent this increase in pressure.
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1.12. Act out the conversation below.
