Health Test2 Flashcards
Testing multiple repetition max
Possible to use multiple repetitions to estimate 1RM
Works well for assistance exercises and athletes with lower training status
Testing becomes less accurate when testing multiple exercises due to fatigue
The more reps the less accurate the calculation becomes for 1RM
Hypertrophy:
Increases are associated with higher training volumes and performing ____ per muscle group
3 or more exercises per muscle group
Neural adaptations to anaerobic training
Adaptations along NM chain, beginning in higher brain centers and continuing down to the level of individual muscle fibers
Gains in strength can occur without structural changes in muscle as a result of neural adaptations
Neural adaptations are the primary source of strength gains in the first 8-10 weeks of training. After 10 weeks muscle hypertrophy becomes the primary source of strength gains.
Anaerobic fitness tests:
Anaerobic capacity
Wingate- power
300 yd shuttle- endurance
The decrement in performance and loss of accumulated physiological adaptations following cessation of anaerobic training
Detraining
Can also occur when there is a substantial decrease in training frequency, volume or intensity
Wingate test
Anaerobic power test BUT
Better for anaerobic conditioning
Performed on a Fleisch bike or modified Monarch ergometer
Measurements: Anaerobic capacity Max and min power for 3-5 second bouts Mean power for 30 sec test Relative power for body weight Anaerobic fatigue
The primary biological energy systems that supply for anaerobic exercise is …
The phosphagen and fast glycolysis
Stimulating bone formation with exercise
Exercises that directly load particular regions of the skeleton
Structural exercises to direct force vectors through the spine and hip and allow the use of greater absolute loads in training.
Overload the MSK system and progressively increase the load as the tissues become accustomed to the stimulus
Vary exercise selection to change the distribution of the force vectors to continually present a unique stimulus
Core exercise
Recruit one or more large muscle group and involve 2 or more primary joints
Determining training load
Depends on training goals: hypertrophy, strength, power and/or endurance
Accomplished through combo of load, reps and sets
2 primary ways to determine training load:
1RM
Multiple rep max testing
Type I Motor Unit
Cell body of type I motor unit is small and innervates < 300 muscle fibers
Higher capacity for fine motor control
Have high level of aerobic endurance
Programming plyometrics
Intensity
Amount of stress placed on muscles, joints and connective tissue during the exercise
Careful consideration should be made for intensity based on athletes training status and experience with plyometrics
Hyperplasia
Rare
Found to occur in resistance training but not endurance training.
Very high intensity strength training program Small increase (5-10%) in number of fibers
Ability to combine: Visual scanning Pattern recognition Decision making Knowledge of situation Accuracy
Perceptual cognitive ability
Leads to improved reaction time to stimulus
Testing 1RM
Should only be performed on athletes who have:
Experience with resistance training at an intermediate/advanced level
Technique and experience in the exercise being tested
Exercise chosen for testing should be a core exercise because large muscle groups multiple joints can more safely tolerate loads
Amortization phase
Most important phase for force production
Time from eccentric phase to initiation of concentric
Shorter time = more energy used in concentric
Stored energy allows for larger output from muscle compared to typical concentric action
Athlete assessment
Needs and goals Prior injury Testing: Strength- 1RM Agility- 5-10-5 Endurance- 300 yard shuttle Power- vertical jump testing
Programming plyometrics
Mode
Determined by body region performing the activity
Typically differentiated into lower and upper body
Strength gains occur from changes in muscle tissue as well as adaptations in…
Motor unit recruitment
Increase frequency of motor nerve firing rates
Improved synchronization of motor unit activation
Removal of neural inhibition
These adaptations can account for 50%+ of strength gains in early stages of a resistance program
Resistance training- Needs analysis
2 part evaluation reviewing demands placed on athlete
Evaluation of the sport:
Movement analysis, physiological analysis, injury analysis
Assessment of athlete:
Needs and goals, testing
Anaerobic training includes
High-intensity, intermittent bouts of exercise such as weight training, plyometric drills, speed, agility and interval training
Training frequency-
Resistance
Beginner 2-3x week
Intermediate 3-4x week
Advanced 4-7x week
Also determined by period of training throughout season (athletes)
Or stage of rehab program (patients)
Power exercises
A core exercise that is performed quickly/explosively
Ex: clean, snatch, jerk
Stretch shortening cycle
Utilizes the musculotendinous unit and stretch reflex to maximize muscle recruitment and ultimately power output
3 phases:
Eccentric- energy stored in agonist muscle
Amortization- transitional phase
Concentric- energy released by elastic components
Fiber types - motor unit peak forces
Type I fibers- endurance
Type IIa fibers- Primary fiber type of mile run
Type IIx - Primary for short, explosive events
Power
Load, reps and sets
(Single effort and multi effort)
Single-effort
80-90% 1RM
1-2 reps
3-5 sets
Multiple-effort
75-85% 1RM
3-5 reps
3-5 sets
Change of direction
Ability to decelerate to a stop and accelerate with a directional change
Muscle hyperplasia
Results in an increase in the number of muscle fibers via longitudinal fiber splitting
High speed strength test
AKA anaerobic power testing
Test of muscle ability to produce a high force while moving at high speed
Ex: vertical jump, sprinting, Olympic style lifts: power clean, snatch
More motor units firing at same time, results in…
Faster rate of muscle contraction
Anaerobic exercise- Aerobic capacity
Heavy resistance training does not significantly affect aerobic capacity unless individual is initially deconditioned
Untrained people can experience increases in VO2 max ranging from 5-8% as s result of resistance training
Circuit training and programs using high volume and short rest periods (< 30 sec) have been shown to improve VO2 max
Muscular enlargement from an increase in the cross-sectional area of existing muscle fibers
Hypertrophy
Anaerobic- body composition
Resistance training can increase fat free mass and reduce body fat by 1-9%
Increases in lean tissue mass, daily metabolic rate, and energy expenditure during exercise are outcomes of resistance training
Programming plyometrics
Frequency and volume
Varied from 1-3 x week
Depends on load, time relative to season and athletes experience with plyometrics
Volume is measure of contacts per session
Beginner 80-100
Intermediate 100-120
Advanced 120-140
Circuit training
Exercises performed with minimal rest periods
3-15 exercises
Reps: 8-15 per exercise
Rest between sets/exercises is minimal (<10 sec)
2-3 rounds of circuit
May include resistance, stretching, and endurance exercises
Core exercises can be subdivided into
Structural exercises
Power exercises
___ is most effective for increasing bone density
Changes are specific to…
Resistance training in addition to impact loading
Specific to region that is exercised
Type IIx
Fast twitch x (FTx) Fast glycolytic (FG)
Highest glycolytic capacity
High motor unit strength
Low oxidative capacity and fatigue resistance
Fast contractile speed
300 yard shuttle run
Anaerobic endurance
25 yards away : 6x round trips
Timed
Each sport have different standards
Anaerobic- Muscular strength
Strength gains occur more rapidly in beginning of a training program for untrained than in trained. Due to adaptations that occur initially in untrained people
Heavier loads are most effective for fiber recruitment
Effect of training are related to type of exercise used, its intensity, and its volume
Agility tests
T-tes
505 agility
Pro agility (20 yard shuttle test)
Cardiovascular and respiratory responses to anaerobic exercise
Increases in….
CO, SV, HR, oxygen uptake, systolic BP, blood flow to active muscles
Volume-load
Load x reps x sets
Low speed strength tests
Anaerobic
Assess maximum strength or force generated
3 forms:
- Maximum weight to be lifted (1RM)
- Maximum isometric force generated
- Maximum resistance produced at various isokinetic speeds
Minimum of 24 hours between exercising and testing
Exercise load
Amount of resistance/weight during an individual exercise
Load is determined and referred to as %age of 1RM
Load and reps are inversely proportional
High rep- low load
Low rep- high load
Training goal is essential
Sets, reps, load and rest will determine training outcomes
Glycolysis -training
Anaerobic training with 30 second bouts increases activity of key glycolytic enzymes
Results are likely to be activity dependent
Sprinting does not lead to improvements in fatigue or power output with resistance training
Result in ability of muscle to maintain higher levels of tension for longer duration