Muscles and Bones

Question 1

3 ways movement can occur

Answer 1

• Muscle contraction
• Gravity
• External forces

Question 2

Muscle definition

Answer 2

Connects 2 or more bones together

Question 3

Agonist

Answer 3

The muscle is contracting

Question 4

Antagonist

Answer 4

A muscle that opposes the action of another

Question 5

Which muscles cross multiple joints in the upper limbs (4)

Answer 5

• Trapezius
• Latissimus dorsi
• Biceps brachii
• Triceps brachii

Question 6

Which muscles cross multiple joints in the lower limb

Answer 6

• Psoas major
• Rectus femoris
• Hamstrings
• Gastrocnemius

Question 7

What are the 3 types of muscle contraction

Answer 7

• Isometric
• Concentric
• Eccentric

Question 8

Isometric

Answer 8

Muscles stay the same length - No movement

B = W

Question 9

Concentric

Answer 9

Muscle shortening

B > W

Question 10

Eccentric

Answer 10

Muscle lengthening

B < W

Question 11

Why are the muscles the same during the downwards movement

Answer 11

Due to gravity

Question 12

What causes a muscular contraction

Answer 12

One muscle being stronger than the other to cause contraction at a joint

Question 13

Coupled motion

Answer 13

Creating and controlling a forceful movement

Question 14

Eccentric control

Answer 14

During deceleration of the movement the opposite muscle acts in order to slow down