BIOL 223L Lab 6-1
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The muscle that is located superior to the rhomboid minor and elevates the scapula is the:
The muscles that depress and protacts the shoulders and articulate anteriorly with ribs 3-5 are the:
This larger, and more inferior, muscle adducts the scapula and performs downward rotation.
This smaller and more superior muscle adducts the scapula and performs downward rotation.
Which muscles protract the shoulder and performs upward rotation, articulating anteriorly with ribs 1-8?
The muscle that depresses and protracts the shoulder and articulates with the clavicle and rib 1 is the:
The large muscle connecting the occipital bone with the spinous processes of thoracic vertebrae which can elevate, retract, depress, or rotate the scapula is the:
The muscle that provides for abduction of the arm at the shoulder as well as medial and lateral rotation of the arm is the:
List the four muscles that make up the "rotator cuff."
- teres minor
The part of the rotator cuff allows for abduction of the arm at the shoulder.
The muscle is located on the anterior side of the scapula and provides for medial rotation of the arm at the shoulder.
This muscle of the rotator cuff allows for lateral rotation of the arm at the shoulder.
This muscle, located beneath the infraspinatus, which articulates with the lateral border of the scapula in order to facilitate lateral rotation of the arm is the:
This muscle allows for the extension, adduction, and medial rotation of the shoulder and originates from the inferior angle of the scapula.
This muscle, which lies underneath the bicep, allows for the adduction and flexion at the shoulder and originates at the coracoid process of the scapula.
This anterior muscle, which articulates with the body of the sternum, provides for flexion, adduction, and medial rotation at the shoulder.
This large muscle which articulates with the spinous processes of inferior thoracic and all lumbar vertebrae and allows for the extension, adduction, and medial rotation of the shoulder is the:
List the three muscles that are arm flexors.
- biceps brachii
This "double-headed" muscle originates from the scapula and runs down the anterior surface of the humerous and facilitates flexion at the elbow and shoulder.
This muscle, located underneath the bicep of the distal end of the humerous, facilitates flexion at the elbow.
This muscle that runs along the anterior-lateral surface of the radius and allows for flexion at the elbow is the:
The "three-headed" muscle that allows for the extension of the arm at the elbow is the:
This muscle originates at the medial epicondyle of the humerous and connects to the midlateral surface of the radius and facilitates pronation.
This muscle originates at the lateral epicondyle of the humerous and is the antagonistic partner of the pronator teres.
List the three muscles of the superficial flexor compartment, which originate at the medial epicondyle of the humerus, and allow for flexion at the wrist.
- flexor carpi ulnaris
- palmaris longus
- flexor carpi radialis
This muscle originates at the lateral epicondyle of the humerus and allows for extension and adduction at the wrist.
extensor carpi ulnaris
The muscle that originates at the lateral epicondyle of the humerous and terminates on the posterior surface of phalanges 2-5 and allows for extension at the fingers joints and wrist is the:
The muscle, located underneath the three superficial flexor compartment muscles, that originates at the medial epicondyle of the humerus and terminates on the anterior surface of the middle phanlanges and allows for flexion of the joints in the hand is the:
flexor digitorum superficialis
Which of the three superficial compartment muscles is the most medial?
flexor carpi ulnaris
Which of the three superficial compartment muscles is in the middle?
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