Arm Musculature

Question 1

Biceps brachii (arms)

Biceps

Answer 1

Integrated function:
Eccentrically decelerates elbow extension, pronation of the radioulnar joint, and shoulder extension
Isometrically stabilizes the elbow and shoulder girdle

Question 2

Triceps brachii (arms)

Muscles in upper posterior arm

Answer 2

Integrated function:
Eccentrically decelerates elbow flexion and shoulder flexion
Isometrically stabilizes the elbow and shoulder girdle

Question 3

Brachioradialis (arms)

Bottom portion of the humerus into lower forearm

Answer 3

Integrated function:
Eccentrically decelerates elbow extension
Isometrically stabilizes the elbow

Question 4

Brachialis (arms)

Muscle near biceps

Answer 4

Integrated function:
Eccentrically decelerates elbow extension
Isometrically stabilizes the elbow