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MUSCULAR STRENGTH AND ENDURANCE

MUSCULAR STRENGTH AND ENDURANCE . If it weren't for the fact that the TV set and the refrigerator are so far apart, some of us wouldn't get any exercise at all.  ~Joey Adams. DEFINITIONS.

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MUSCULAR STRENGTH AND ENDURANCE

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  1. MUSCULAR STRENGTH AND ENDURANCE If it weren't for the fact that the TV set and the refrigerator are so far apart, some of us wouldn't get any exercise at all.  ~Joey Adams

  2. DEFINITIONS • Muscular Strength: The amount of force that a muscle can produce in one single contraction. (Heavy weight and few reps) • Muscular Endurance: The amount of force that a muscle can produce over an extended period of time. (Light weight and many reps)

  3. BENEFITS OF MUSCULAR TRAINING • Reduce lower back problems • Look better • Increased performance • Reduced bone and muscle loss • Helps with weight control

  4. WORKOUT DIFFERENCES • STRENGTH = Heavy weight (>80% 1RM) and few reps (3-5) • ENDURANCE = Moderate weight (30-50% 1RM) and many reps (12-20) • 1 Repetition Max: The highest amount of weight that a person can lift for 1 repetition (1 Rep = Failure) • 10 Repetition Max: The highest amount of weight that a person can lift for 10 repetitions (10 Reps = Failure)

  5. TYPES OF CONTRACTIONS • Concentric: (Shortening)- One end is stationary while other end pulls bone • Eccentric: (Lengthening)- Controlled release of concentric contraction • Isometric: (Fixed)- Pushing against a fixed object

  6. TYPES OF MUSCLE FIBER • Fast-twitch (Type I): Used for muscle strength type of activities • Slow-twitch (Type II): Used for muscle strengthendurance type of activities • Intermediate (Type Ia): Mix between types I & II Each person is born with a percentage of each type of muscle.

  7. WOMEN AND STRENGTH TRAINING • Women have same kind of muscles • Women have 1/3 less muscle fibers • Women do not produce as much testosterone

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