Action, Synergist, Antagonist

Question 1

Trapezius

Answer 1

Action: unilateral rotation of head and neck to opposite side (upper fibers)

Synergist: Rotatores

Antagonist: Levator scapula

Question 2

Sternocleidomastoid

Answer 2

Action: bilateral flexion of the neck

Synergist: Anterior scalene

Antagonist: Splenius capitus

Question 3

Hamstrings

Answer 3

Action: flex the knee

Synergist: Gracilis

Antagonist: Rectus femoris

Question 4

Piriformis

Answer 4

Action: Abduct the hip with flexed hip

Synergist: Glute maximus

Antagonist: Pectineus

Question 5

Biceps brachii

Answer 5

Action: flex the elbow

Synergist: Brachioradialis

Antagonist: Triceps brachii

Question 6

Deltoid

Answer 6

Action: abduct the shoulder

Synergist: supraspinatus

Antagonist: Terres major

Question 7

Gluteus medius

Answer 7

Action: abduct the hip

Synergist: Glute maximus

Antagonist: Pectineus

Question 8

Gastrocnemius

Answer 8

Action: flex the knee

Synergist: Semimembranosus

Antagonist: Rectus femoris