KINE2850 Exam 2 - ECU

Which of the following is a muscle used to elevate the shoulder girdle? Hint: look at the posterior muscles of the shoulder slide.

levator scapulae

Which of the following muscles is best suited to depress the shoulder girdle?

lower trapezius

The serratus anterior is an anterior scapular muscle that protracts the shoulder girdle.

true

Muscles that retract the shoulder girdle are considered anterior muscles of the shoulder girdle

false

What is the primary muscle group used to retract the shoulder girdle?

Rhomboids

Which two bones make up the shoulder "girdle"?

clavicle and scapula

During a two arm row exercise, when the rower is leaning forward with arms stretched anteriorly on the oar, the scapula is in a _______ position while the ______ muscles are lengthened.

protraction, rhomboids

The __________ joint is the only point of attachment linking the shoulder girdle to the trunk

sternoclavicular

Which of the following muscles will flex the shoulder joint?

anterior deltoid

Which of the following muscles will extend the shoulder joint?

Posterior deltoid

Which of the following will NOT abduct the shoulder joint?

triceps

Which of the following is NOT an adductor of the shoulder joint?

deltoid

Flexion/extension of the shoulder joint occurs in the _____ plane, while abduction/adduction of the shoulder joint occurs in the _____ plane.

sagittal; frontal

Push-up: During the positive (up) phase of the push-up, the pectoralis major is producing a __ contraction.

concentric

Which of the following muscle is the most commonly torn of the rotator cuff?

supraspinatus

What movements occur at the proximal radioulnar joint?

Pronation and Supination

Which if the following muscles does not flex the humeroulnar joint.

biceps femoris

Which movements occur at the humeroulnar joint?

Flexion and Extension

Which of the following muscles will extend the humeroulnar joint.

triceps brachii

Biceps curl: What motion is occurring at the humeroulnar joint during the positive phase?

Flexion

Biceps curl: During the negative phase of the exercise, which muscle group contracts eccentrically?

Elbow Flexors

Bench press: What motion is occurring at the humeroulnar joint during the negative phase?

Flexion

During the positive phase of the bench press, what is the primary muscle group concentrically contracting at the humeroulnar joint?

elbow extensors

Carpal tunnel syndrome is a condition that is a result of compression of the ______ nerve

median

An ______ muscle is one where the whole muscle-tendon unit is located within the hand.

intrinsic

The flexor pollicis longus is an example of an ______ muscle

extrensic

Which muscle extends the index finger only? (hint: look at the insertion of these wrist muscles on the slides).

Extensor indicis

The word "pollicis" refers to the:

Thumb

Which are the intrinsic thumb muscles?

adductor pollicis, opponens pollicis, abductor pollicis brevis

What flexes the distal interphalangeal (DIP) joint of fingers 2-5?

flexor digitorum profundus

When moving the thumb strictly in the frontal plane, what motions are occurring?

Flexion & Extension

Which joint of the shoulder girdle connects it to the trunk?

Sternoclavicular

Which section of trapezius muscle fibers perform shoulder girdle elevation and upward rotation?

Upper Trapezius Fibers

T/F: The shoulder girdle is very stable and has a limited range of motion.

False

Which muscle acts concentrically to retract the shoulder girdle?

Rhomboid Major

Which plane of motion does shoulder girdle upward and downward rotation occur in?

Frontal

T/F: The shoulder girdle is responsible for connecting the entire arm to the trunk

True

The acromion process of the scapula and the clavicle articulate to create which joint of the shoulder girdle?

Acromioclavicular

Upper trapezius muscle fibers perform which type of contraction during elevation of the shoulder girdle?

Concentric

Protraction and retraction of the shoulder girdle occur around which axis?

Longitudinal

Which bony landmark on the humerus is the distal attachment for the deltoid muscle group?

Deltoid Tuberosity

Which two bones make up the shoulder joint?

Scapula and Humerus

Which muscle acts to abduct the shoulder?

Middle deltoid

Which rotator cuff muscle is responsible for internal rotation of the shoulder?

Subscapularis

Which type of joint is the glenohumeral joint (shoulder joint)?

Ball and socket

T/F: Shoulder adduction occurs in the frontal plane

true

Which of the following muscles does not concentrically act to perform shoulder flexion?

Triceps brachii (long head)

How many degrees of freedom does the shoulder joint have?

3

Which anatomical term describes the supraspinatus in reference to the spine of the scapula?

Superior

Where does pronation and supination occur in the arm?

Forearm

The biceps brachii is most effective as an elbow flexor when the forearm is in which position?

Supination

Which movements are produced at the elbow joint (humeroulnar)?

Flexion and extension

On which side of the body are the elbow extensors located?

Posterior

What is the primary muscle being used during the eccentric phase of a push-up?

Triceps brachii

Tommy John surgery, common in throwing athletes, is performed to repair a tear of which elbow ligament?

Ulnar collateral ligament

T/F: The humeroulnar joint is a ball and socket joint.

F

In which plane of motion do elbow flexion and extension occur?

Sagittal

T/F: Pronation and supination occur at the proximal radioulnar joint.

T

What muscles pronate the forearm?

Pronator teres & pronator quadratus

Which muscle causes movement of the thumb?

Flexor pollicis longus

Which wrist ligament wraps around the anterior surface and acts to hold the flexor tendons in place?

Flexor retinaculum

Where are extrinsic muscles of the hand and wrist located?

forearm

T/F: The 8 carpal bones of the wrist are: scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate and hamate.

T

T/F: Like the other fingers, the thumb has a proximal, middle and distal phalanx.

F

Which muscle extends the 5th finger concentrically?

Extensor digiti minimi

Abduction (radial deviation/flexion) and adduction (ulnar deviation/flexion) of the wrist occur in which plane of motion?

frontal

Which extrinsic wrist muscle inserts on the anterior side of the distal interphalangeal joint and acts on both the wrist and phalanges 2-5?

Flexor digitorum profundus

Which muscle group is responsible for producing the powerful gripping movements of the hand?

Extrinsic flexors

What is the name of the finger joint between the proximal phalanx and the middle phalanx?

Proximal interphalangeal joint (PIP)