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36 Cards in this Set

  • Front
  • Back

Anaerobic training

High intensity intermittent bouts of exercise

muscle adaptations occur first in

The brain, neurally

Size principle

The CNS adapts by recruiting in non consecutive order of size of muscle fibers

Type 1 muscle fiber

Fast twitch

Type 2 muscle fiber

Slow twitch

Cross education

Training 1 limb will result in increased strength in opposite limb up to 22%

Bilateral deficit

Greater force produced when 1 limb contracts independently than when both contract together

Muscle hypertrophy

Muscle enlargement from increase in size of the cross sectional area of existing fibers

Evidence of hypertrophy appears in how many workouts

16+

When are initial gains the greatest in a workout program?

1st 3 months. Rate of gains decrease over time.

Repetition volume

# reps in a workout

Load volume

# sets x # reps x weight lifted, added together

Acid-base balance of skeletal muscle

Decreases pH level


Increases lactic acid tolerance


Delays fatigue


Increases muscle endurance

Muscle fiber size changes

Type 2 have greater increase in size with anaerobic training


Ex. Leg physique of endurance athlete vs sprinter

Sprint training increases what

Calcium release. Important for muscle contraction

Bone modeling

Longitudinal weight bearing force causes bone to bend. Wakes up dormant osteoblasts. Osteoblasts lay down new collagen fibers

Minimal essential strain (MES)

Threshold stimulus that initiates new bone formation

MES is what percent of force required to fracture one

1/10

Changing angles for resistance training

Creates new target area for bone growth

Neuromuscular junction

Increased surface area results in larger branching of nerves, enhancing training

Bone physiology

Trabecular (spongy) bone responds more rapidly to stimulus than (cortical) compact bone

Acute anaerobic exercise results in

Cardiac output


Stroke volume


Heart rate


Oxygen uptake


Systolic BP


Blood flow to active muscles

Cardiac output

Amount blood pumped per minute (stroke volume x HR)

Stroke volume

Amount of blood pumped per beat (cardiac output/HR)

Reactive hyperemia

Decreased blood flow to muscles during concentric (flex) phases (kink in water hose)


Increases blood throw in eccentric phase (whoosh)

Overtraining

Excessive frequency, volume, or intensity of training

Psychological effects of overtraining

Decreased desire to train


Decreased joy from training

Sympathetic overtraining

Increased resting HR- bad

Parasympathetic overtraining

Fatigue, apathy, loss of sleep, and irritability

Hormonal markers in overtraining

Decreased glutamine


Decreased resting levels of testosterone


Decreased lutenizing hormone


Increased cortisol

Detraining

Decreased performance and loss of accumulated physiological adaptations following cessation of anaerobic training

Detraining occurs

2 weeks or sooner depending on athletes level of training

Pretraining levels with detraining

Strength rarely goes below pretraining levels

Overreaching

Excessive training on short term basis

Why is overreaching used?

Used to condition athlete


Acclimation

When is overreaching used?

Preseason


2 a days