Biomechanics Test - T3

Question 1

A muscle in which the fascicles are aligned at a common angle to the tendon is described as a…

Answer 1

…pennate muscle.

Question 2

During extension of the thigh around the hip joint, which muscles act as an agonist and antagonist pair?

Answer 2

Agonist = Gluteus maximus.
Antagonist = Rectus femoris.

Question 3

Flexion of the forearm at the elbow joint is accomplished by which three muscles?

Answer 3

• Biceps brachii
• Brachialis
• Brachioradilis

Question 4

Four main extensors at the hip?

Answer 4

• Semimembranosus
• Semitendinosus
• Biceps femoris
• Gluteus maximus

Question 5

Three types of muscle tissue?

Answer 5

• Skeletal
• Cardiac
• Smooth

Question 6

In which type of contraction does tension rise with no change in muscle length?

Answer 6

Isometric.

Question 7

4 muscles that flex at the knee joint?

Answer 7

• Gastrocnemius
• Semitendinosus
• Semimembranosus
• Biceps femoris

Question 8

Where are the hip adductor muscles situated?

Answer 8

Medial aspect of the thigh.

Question 9

The insertions of which muscles form the calcanean tendon?

Answer 9

Gastrocnemius and soleus.

Question 10

What does deltoid mean?

Answer 10

Triangular.

Question 11

What does carpi mean?

Answer 11

Wrist.

Question 12

What does hallucis mean?

Answer 12

Great toe.

Question 13

What does adductor mean?

Answer 13

Moving a bone nearer to the midline.

Question 14

How does the pectorals major act at the shoulder joint?

Answer 14

Flexes, adducts and medially rotates the arm.

Question 15

What leg movement would be impaired by injury to the tibialis anterior muscle?

Answer 15

Dorsiflexion of the foot.

Question 16

How to describe origin and insertion?

Answer 16

The insertion moves which the origin remains relatively stationary.

Question 17

The quadriceps femoris is _____ to the hamstrings.

Answer 17

antagonistic

Question 18

Popliteus muscle?

Answer 18

Extends over the posterior aspect of the knee joint.

Question 19

What is a multipennate fascicle arrangement like? Example?

Answer 19

Multiple feathers converging on a central point e.g. deltoid.

Question 20

If an agonist muscle produces elevation, what will the action of the antagonist be?

Answer 20

Depression.

Question 21

In order to stretch the gastrocnemius, the…

Answer 21

…ankle joint should be dorsiflexed and the knee joint extended.

Question 22

The countermovement associated with jumping is designed to take advantage of what?

Answer 22

The utilisation of stored elastic energy.

Question 23

What leg movement would be impaired by injury to the tibialis anterior muscle?

Answer 23

Dorsiflexion of the foot.

Question 24

Agonist?

Answer 24

Contracting muscle.