Exam 3 Part 1

Exact names of the movement phases may vary from skill to skill to fit the various sports terminology.

True

For the purpose of movement analysis, most sport skills involve 3-5 separate phases.

True

Generally, a high rate of acceleration during the movement phase of a sports skill will result in a greater length and importance of the follow-though phase.

True

Movements involving "closed kinetic chain" are considered to be very functional, particularly for the lower extremities.

True

Muscles generally function in paired opposition to an antagonistic group.

True

Overload may be modified by changing frequency, intensity, and/or duration.

True

Proper weight lifting technique involves exhaling during lifting and inhaling during lowering.

True

The "kinetic chain concept" indicates that our extremities consist of several bony segments linked by a series of joints.

True

The body will gradually, over time, attempt to adapt very specifically to the various stresses and overloads to which it is subjected.

True

The names of individual phases of sports skills may vary depending upon body part involved.

True

The upper extremity is often one of the body's weakest areas.

True

When determining appropriate conditioning exercises one should consider the open versus closed kinetic chain demands of the activity through analysis of skilled movements.

True

While performing the pulling up phase of a chin-up the shoulder girdle is adducting.

True

Which of the following statements is not true regarding the "kinetic chain concept?" A. A system can be both open and closed simultaneously. B. Bony segments and their linkage system of joints may be likened to a chain. C. Any one link in an extremity may be moved individually without significantly affecting other links if the chain is open. D. If the chain is closed then substantial movement of any one link cannot occur without substantial movement of the other links.

A. A system can be both open and closed simultaneously.

Which of the following statements is not true regarding the "stance phase" of sports skills? A. Allows for more power to be transferred from the body during the movement B. Allows the athlete to assume a comfortable and balanced body position C. Emphasis is on setting various joint angles in correct positions D. Is a relatively static phase with fairly short ranges of motion involved

A. Allows for more power to be transferred from the body during the movement

Which of the following statements is not true regarding the "follow-through phase" of sports skills? A. Begins immediately prior to the climax of movement phase B. Brings about negative acceleration of involved limb or body segment C. Often referred to as the deceleration phase D. Body segment velocity progressively decreases

A. Begins immediately prior to the climax of movement phase

Which of the following is not true regarding the "Valsalva Manuver?" A. Is considered to be proper when performing maximal lifts B. Causes dramatic blood pressure increase followed by equally dramatic drop C. Can cause lightheadedness and fainting D. Leads to complications in heart disease patients

A. Is considered to be proper when performing maximal lifts

Which of the following statements is not valid regarding a "closed kinetic chain?" A. It involves the body moving in relation to the relatively unfixed distal segment. B. Movement of one joint cannot occur without causing movements of the other joints. C. Multiple joints are involved. D. Multiple muscle groups are involved.

A. It involves the body moving in relation to the relatively unfixed distal segment.

Which of the following statements is correct regarding the lowering phase of a barbell press? A. The shoulder girdle performs eccentric downward rotation B. The elbow performs extension C. The shoulder joint performs flexion D. The shoulder girdle performs elevation

A. The shoulder girdle performs eccentric downward rotation

All of the following are open chain exercises except for _____. A. chin-up B. biceps curl C. bench press D. lat pull

A. chin-up

Which of the following is not true regarding muscular strength and endurance in the shoulder area? A. Essential for improved appearance and posture B. Increases performance in all sports C. Increases efficiency in skill performance of upper body activities D. Specific conditioning exercises and activities should be intelligently selected

B. Increases performance in all sports

Which of the following statements is correct regarding the lifting phase of a chest press? A. The wrist and hand perform extension B. The elbow performs extension C. The shoulder performs extension D. The shoulder girdle performs adduction

B. The elbow performs extension

Which of the following statements is not valid regarding an "open kinetic chain?" A. The core of the body is more stabilized while the distal segment is free to move in single plane. B. The proximal segment is not fixed while the distal segment is free to move in a single plane. C. Its not considered to be as functional as closed chain work for most lower extremity activities. D. Its beneficial in isolating a particular joint to concentrate on specific muscle groups.

B. The proximal segment is not fixed while the distal segment is free to move in a single plane.

Which of the following statements is not true regarding the "preparatory phase" of sports skills? A. Often referred to as cocking or wind-up phase B. Used to lengthen the muscles in order to generate more force and momentum C. Is generally not the most critical phase in leading toward the desired result of activity D. Becomes more dynamic as the need for explosiveness in the sport skill increases

B. Used to lengthen the muscles in order to generate more force and momentum

Which of the following statements is not true regarding the "kinetic chain concept?" A. Open-chain exercises generally isolate only one segment. B. Closed-chain exercises work all body segments in the chain. C. Both of the above choices are correct. D. None of the above choices is correct.

C. Both of the above choices are correct.

Which of the following statements is not true regarding the "preparatory phase" of sports skills? A. Often referred to as cocking or wind-up phase B. Used to lengthen the muscles in order to generate more force and momentum C. Is generally not the most critical phase in leading toward the desired result of activity D. Becomes more dynamic as the need for explosiveness in the sport skill increases

C. Is generally not the most critical phase in leading toward the desired result of activity

Which of the following statements is not valid regarding an "open kinetic chain?" A. Allows any one joint in the extremity to move or function separately B. Upper extremity examples include a shoulder shrug, a shoulder abduction, or a biceps curl C. Requires the movement of other joints in the extremity D. Lower extremity examples include seated hip flexion, knee extension, and ankle dorsiflexion

C. Requires the movement of other joints in the extremity

Which one of the following is not true regarding the analysis of most sport skills? A. Will include a preparatory phase B. Will include a movement phase C. Will include a stop-action phase D. Will include a follow-through phase

C. Will include a stop-action phase

The dumbbell bent-over row is an excellent shoulder girdle exercise due to its work on the _____. A. levator scapula B. pectoralis minor C. rhomboids D. serratus anterior

C. rhomboids

Which of the following statements is not true regarding the "recovery phase" of sports skills? A. Used after follow-through to regain balance B. Needed to get repositioned for the next possible sport movement C. Not needed in some sports activities D. Involves more total force production by muscles than any other phase except for the movement phase

D. Involves more total force production by muscles than any other phase except for the movement phase

Which of the following muscles are agonists during a triceps extension? A. Brachialis B. Brachioradialis C. Biceps brachii D. None of the above choices is correct

D. None of the above choices is correct

Which of the following muscles are antagonists during an arm curl? A. Flexor carpi radialis B. Flexor carpi ulnaris C. Flexor pollicis longus D. None of the above choices is correct

D. None of the above choices is correct

Which of the following statements is correct regarding the pushing phase of a push-up? A. The wrist and hand perform extension B. The elbow performs flexion C. The shoulder performs horizontal abduction D. The shoulder girdle performs abduction

D. The shoulder girdle performs abduction

With respect to the agonist muscles involved in performing a shoulder pull which of the following statements is true? A. The wrist and hand perform concentric flexion B. The elbow joint performs eccentric extension C. The shoulder joint performs concentric adduction D. The shoulder girdle performs isometric adduction

D. The shoulder girdle performs isometric adduction

Which one of the following may not be determined from viewing an activity from an analysis perspective? A. Which muscles that are performing the movement B. Which type of contraction is occurring C. Which kind of exercises are appropriate for developing the muscles D. Which angle of movement will produce the greatest force

D. Which angle of movement will produce the greatest force

The push-up and bench press are similar in that they both strengthen the _____. A. elbow extensors B. glenohumeral flexors and horizontal adductors C. shoulder girdle protractors D. all of the above

D. all of the above

All of the following are open chain exercises except for _____. A. dumbbell bent-over row B. triceps curl C. barbell press D. push-up

D. push-up

Emphasizing the end of a push-up by exaggerating shoulder girdle protraction is an excellent strengthening exercise for the _____. A. levator scapula B. trapezius C. rhomboids D. serratus anterior

D. serratus anterior

All sports involve closed-chain lower extremity activities and open-chain upper extremity activities.

False

Because the glenohumeral joint moves from abduction to adduction and back again, the lat pull is a great exercise for deltoid development.

False

During the "follow-through" phase velocity of the moving body segment progressively decreases over a wide range of motion which is usually attributable to high concentric activity in muscles.

False

During the return phase of a lat pull-down the elbow is performing flexion.

False

Most physical activity, particularly those that involve the lower extremity, requires multiple joint activities involving single muscle groups.

False

Muscles are usually grouped together according to their eccentric function.

False

Some athletes may begin follow-through too late which can cut short the movement phase.

False

The "Valsalva Maneuver" is when one holds his/her breath while attempting to lift heavy weights or trying to exhale against an open epiglottis.

False

The arm curl exercise is composed of two phases which are the lifting phase and the relaxation phase.

False

The chin-up exercise is an excellent exercise for triceps brachii development.

False

The push-up exercise is an excellent exercise for upper extremity development but does little for the rest of the body.

False

While performing the pull-up phase of a dumbbell bent-over row the wrist and hand both perform flexion.

False