Final Flashcards
Which of the following is a characteristic of proficient kicking?
A. The kicking leg winds up and the knee extends.
B. On the forward kick, the thigh rotates forward and then the knee straightens
C. Arms move in opposition to the legs
D. b & c
E. a, b & c
D.
Very young children’s throws tend to consist of primarily what type of action?(Aa)
Arm action
Which of the following is a characteristic of proficient overarm throwing?(Dtr, Lotua)
- differentiated trunk rotation
- lag of the upper arm behind rotation of the upper trunk
Which of the following is the most advanced developmental step in the backswing component of the overarm throw? (Cdb)
Circular downward backswing
Sex differences among children and adolescents have been documented in which body components for overarm throwing? (TrAa)
- Trunk rotation
- arm action
Sex differences among older adults in overarm throwing have been associated with which of the following? (Sacyae)
Both sex and childhood and young adult experiences
Action in which of the following body components is characteristic of early kicking? (La)
Leg action
Which of the following is a characteristic of early punting attempts? (Htkb, Ttbu, Kwtt)
- holding the knee bent as the ball is kicked
- tossing the ball up rather than just dropping it
- kicking with the toes
Which of the following is a characteristic of proficient sidearm striking? (Asith, Dtr, Aebc)
- a step into the hit toward the oncoming ball
- differentiated trunk rotation
- arm extension before contact
T/F: In changing from a throw for distance to a throw for accuracy, the most likely change observed would be a transition to lower steps in the developmental sequences.
True
T/F: One problem with using the throw for distance as a gauge of throwing development is that the score reflects body size and strength as well as skill
True
T/F: Research on the tennis serve in older adults demonstrates little change in the coordination of the serve during the older adult years.
True
T/F: Research on the golf swing demonstrates that most older adults are less accurate than young adult golfers.
False
T/F: In overarm striking, the upper arm (humerus) lads behind the trunk, but the racket precedes the forearm at ball contact.
False
T/F: Assuming the sequential movements are well timed, lag in the upper arm and forearm allows momentum to be transferred from proximal body parts to successively more distal body parts, increasing the speed of movement in the more distal body parts.
True
T/F: A long Contralateral step facilitates trunk rotation.
True
T/F: Recent research has shown that children can be at the most advanced levels of upper arm and forearm action before they routinely use trunk rotation.
False
T/F: One of the differences between development of throwing and development of overarm striking is the elbow action
True
T/F:Racket lag and trunk rotation less than 90 degrees are characteristics of proficient overarm striking.
False
In a proficient overarm throw at the time the shoulder rotates to the front-facing position, the upper arm (humerus) should be swinging forwards _______ (behind, even with, or ahead of) the shoulders.
Behind
Young children often use a _______ grip to hold the implement used in a striking task, thus ending to undercut the ball.
Power
In the development of throwing, trunk rotation in which the lower trunk and upper trunk rotate together, as a unit, is called ______ rotation.
Block
What individual structural constraints that change with aging could affect striking in older adults? How would these differ between older adults who remain active and those who become sedentary?
A loss of flexibility might limit range of motion; a loss of strength might limit speed or distance; a loss of balance might hamper the timing of sequential movements and the ability to apply force
There is a validated development sequence for punting but not for kicking. These skills are mechanically similar, however. Based on the developmental sequence for punting, hypothesize a developmental sequence for arm action in kicking.
no arm action to bilateral arm action to arm movement in opposition to the legs
Both kicking and striking involve perceptual judgements not required for throwing. How can parents or teachers modify the task constraints for kicking and striking to allow young children to practice the movement without the frustration of being intercepted?
They can make the ball stationary
T/F: Longitudinal study of throws in older adults over a period of 7 years shows that the developmental level demonstrated is relatively stable.
True
T/F: An individual’s given developmental level in the sequences for overarm throwing is so stable that we can compare performance with various task constraints, such as distance and type of ball
False
T/F: A valid and a reliable way to gauge the development of throwing is to record the accuracy with which children and adolescents hit a target off a specified size from a short distance
False
T/F: In very young children, early attempts at overarm throwing, sidearm striking, and overarm striking all tend to look the same.
True
T/F: In proficient kicking, the swing (kicking), leg moves through a shortened, compact range of motion at the hip.
False
T/F: The developmental transition for trunk action in sidearm striking is (1) block rotation followed by (2) differentiated rotation.
True
T/F: The developmental transition for arm action in the punt is (1) no use of the arms, (2) arm movement in opposition to the legs, (3) bilateral arm movement.
False
T/F: In punting the developmental transition for the non punting leg is (1) a short step, (2) a long step, (3) a leap.
True
T/F: A very young child’s early attempts at sidearm striking often resembles early attempts at throwing overhand.
True
T/F: In general, research has found that older adults perform at the lower levels in the developmental sequences when executing overarm throws.
False
Which type of constraint(s) will influence the development of pretension and grasping of infants? (SFTE)
All types of constraints (structural, functional, task, environmental)
A longitudinal study by Thelen and colleagues (1993) reveals that infants transitioned from pre-reaching to reaching at ______ months of age.
3 to 4
Thelen and colleagues (1993) believed infant reaching develops due to ________. (PE)
Practice and experience
Infants begin to purposefully use objects as tools by ________ of age.
24 months
Manual performance has been studied in which of the following age groups? (I, Ma, E)
Infants, middle aged, elderly
A skilled two-handed catcher would be expected to demonstrate which component of the developmental sequence related to hand action? (Pa)
Palms adjusted
Which of the following concepts is associated with the perception-action perspective of catching? (A, Oa, Ps)
Affordance, optic array, phase shift
From an information processing perspective, individuals must _______ to become proficient catchers. (Mmpc)
Make more precise calculations
Older adults are somewhat _______ accurate and ________ variable in their performance than younger performers, and the differences are greater when the moving object moves faster and when the older adults are sedentary rather than active. (L ; M)
Less ; more
Which of the following affects the ability to intercept a moving object? (S, Bs, T, ETc)
- speed
- ball size
- trajectory
- environmental and task constraints
The kinesthetic, or proprioceptive, system gives body sense and its vital to ability to position oneself and move in the environment. Which of the following is a type of kinesthetic receptor? (Ms, Jr, Vsc)
- Muscle spindles
- Joint receptors
- Vestibular semicircular canals
Which of the following body parts do individuals develop a preference for? (H, E, E, F)
- Hands
- Eyes
- Ears
- Feet
__________ threshold is the closest that two sounds can be yet still allow the hearer to distinguish them at least 75% of the time.
Differential