EXPH 2200: exam 1

what is an efficient way to stretch the pec minor

By lying supine with a rolled towel directly under the thoracic spine while a partner pushes each scapula into retraction

During a push-up exercise, what are the agonist muscles used in the shoulder girdle during the pushing phase to the up position? (start with chest on floor and pushing up)

Serratus Anterior/Pectoralis Minor

Which of the following is a true statement about agonist muscles?

They cause a joint motion through a specified plane of motion when contracting concentrically.

During an overhead press exercise, what are the agonist muscles used in the shoulder girdle during the return to starting position phase. (weight is above head and athlete slowly lowers the weight down to the starting position)

Trapezius, Serratus Anterior, Pectoralis Minor

During an overhead press exercise, what is the movement used in the shoulder joint during the return to starting position phase in frontal plane. (weight is above head and athlete slowly lowers the weight down to the starting position)

adduction

lowering the arm to the side or the thigh back to the anatomical position is an example of

adduction

All of the following are provided by muscles except _____.

attachment points for other muscles

during a push up exercise, what is the contraction type in the shoulder girdle during the pushing phase to the up position (start with chest on floor and pushing up)

concentric

during a rowing exercise, what is the contraction type during the pull in/pull up phase of of the lift

concentric

during an overhead press exercise, what are the agonists muscles used in the shoulder joint during the return to starting position phase in frontal plane (weight above head, lowering to starting position)

deltoid, supraspinatus, upper pec major

During an overhead press exercise, what is/are the movement/s used in the shoulder girdle during the return to starting position phase. (weight is above head and athlete slowly lowers the weight down to the starting position)

downward rotation/depression

During an overhead press exercise, what is contraction type during the return to starting position phase. (weight is above head and athlete slowly lowers the weight down to the starting position)

eccentric

Cancellous bone is stiffer and can withstand greater stress, but less strain, than cortical bone.

false

It is not possible for a muscle to cause more than one action in an associated joint.

false

The stability of the glenohumeral joint is enhanced by its significant mobility.

false

antagonist muscles are known as primers or primary movers and are most involved in a joint action

false

contractility is the ability of muscle to contract and develop tension or internal force in the same direction as a resistive force when stimulated

false

ligaments and connective tissue provide dynamic stability to joints when actively contracting

false

posterior dislocations occur frequently at the glenohumeral joint

false

the scapula is an example of an irregular bone

false

the frontal plane divides the body into

front and back halves

Which of the following is a proprioceptor associated with muscle tissue?

golgi tendon organ

each of the following joints allows a slight movement of motion to occur except

gomphosis

during a rowing exercise, what is the movement in the shoulder joint during the pull in/pull up phase of the lift *performed in horizontal phase

horizontal abduction

During a push-up exercise, what is the movement in the shoulder joint during the pushing phase to the up position in the horizontal plane? (start with chest on floor and pushing up)

horizontal adduction

which of the following statements is true about the shoulder joint

it is a multiaxial ball and socket joint classified as enarthrodial and has three degrees of freedom

shoulder girdle: upward rotation

joint: abduction

shoulder girdle: adduction (retraction)

joint: external rotation

shoulder girdle: elevation/upward rotation

joint: flexion

shoulder girdle: abduction (protraction)

joint: horizontal adduction

which of the following is considered to be an extrinsic glenohumeral muscle

latissimus dorsi

The latissimus dorsi muscle inserts on the

medial lip of the intertubercular groove of the humerus

The shoulder girdle movements primarily involve all of the following muscles except:

pec major

during a push up exercise, what are the agonist muscles used in the shoulder joint during the pushing up phase to the up position

pec major, anterior deltoid, coracobrachialis

during a rowing exercise, what are the agonist muscles used in the shoulder joint during the pull in/pull up phase of the lift *performed in horizontal plane

posterior/middle deltoid, infraspinatus, teres minor, latissimus dorsi

subconscious mechanism by which the body is able to regulate posture and movement is called

proprioception

bone is composed of all the following except

protein

During a push-up exercise, what is the movement of the shoulder girdle during the pushing phase to the up position? (start with chest on floor and pushing up)

protraction

during a rowing exercise, what is the movement in the shoulder girdle during the pull in/pull up phase of the lift

retraction

Elbow extension takes place in the _____ plane.

sagittal

which of the following muscles is most commonly affected by scapular winging

serratus anterior

which of the following muscles performs stabilization and protection of the sternoclavicular joint

subclavius

Which of the following is the most likely to be involved in impingement syndrome?

supraspinatus

Which of the following is not considered to be a muscle in the rotator cuff group?

teres major

Which of the following is not a factor that contributes to the injury rate of the glenohumeral joint?

tight configuration of ligaments

During a rowing exercise, what are the agonist muscles used in the shoulder girdle during the pull-in / pull-up phase of the lift? (Performed in Horizontal plane)

trapezius (lower and middle), rhomboids

Abduction is an example of movement in a coronal plane about an anteroposterior axis.

true

Collagen in bone provides flexibility and strength to resist tension.

true

Generally, longer muscles can shorten through a greater range and are more effective in moving joints through large ranges of motion.

true

Most outer bone is composed of cortical bone with cancellous bone underneath.

true

PNS can be divided into sensory and motor divisions

true

The central, fleshy portion of a muscle is called the gaster.

true

The conscious awareness of the position and movement of the body in space is called kinesthesis.

true

diagonal abduction is movement by a limb through a diagonal plane away from the midline of the body

true

diarthrodial joints are also known as synovial joints

true

each muscle in the human body may be innervated by a single nerve or multiple nerves

true

the action performed by the subscapularis muscle is opposite to the action performed by the infraspinatus muscle

true

the rotator cuff group includes the subscapularis, supraspinatus, infraspinatus and teres minor muscles

true

the term intrinsic usually pertains to muscles within or belonging solely to the body part upon which they act

true

Which of the following movements involves moving the inferior angle superiorly and laterally away from the spinal column to assist in raising the arm out to the side?

upward rotation