Muscular System Labeling and Movements

when muscles work in pairs with one muscle contracting while the other relaxes -this is known as ?

• prime moving the agonist

• Fibre type dominance

• cerebal palsy

• reciprocal inhibition

Muscles that perform opposite actions to one another are termed ________.

• synergists

• prime mover

• antagonist

• fixator

The muscle that creates Shoulder flexion is

• Abdominals

• Pectorals

• latissimus dorsi

• bicep

The prime mover of arm abduction is the ________ muscle.

• trapezius

• deltoid

• triceps brachii

• biceps brachii

Matt injured his hamstring muscle group during football practice. He will be unable to perform ________.

• knee flexion

• dorsiflexion

• hip adduction

• leg rotation and plantar flexion

Which of the following is an example of an isometric contraction?

• shaking the head as to say "no"

• pushing against an immovable wall

• bending the elbow

• rotating the arm

• nodding the head as to say "yes"

If i was jumping up from a crouched position you would see

• knee flexion and trunk extension

• knee extension and trunk extension

• hip flexion and knee extension

• hip extension and knee flexion

• dancing

Which of these muscles is the prime mover of elbow extension?

• brachialis

• latissumus dorsi

• deltoid

• triceps brachii

• biceps brachii

Which of these muscles is located on the ventral (anterior) side of the body?

• pectoralis major

• occipitalis

• gastrocnemius

• gluteus maximus

• latissimus dorsi

What is the main function of the quadriceps group?

• knee flexion

• plantar flexion

• hip abduction

• knee extension

• foot inversion