Muscoskeletal system

Question 1

What are the 2 main types of joints?
Give some examples for each

Answer 1

Ball and socket:
E.g hip, shoulder
Hinge:
E.g. ankle, knee, elbow

Question 2

What movements occur around the sagittal plane about the transverse axis?

Answer 2

Extension
Flexion
Hyperextension
Plantarflexion
Dorsiflexion

Question 3

What movements occur around the frontal plane about the sagittal axis?

Answer 3

Abduction
Adduction

Question 4

What movements occur around the transverse plane about the longitudinal axis?

Answer 4

Horizontal abduction
Horizontal adduction

Question 5

Explain the 2 types of isotonic contractions

Answer 5

Concentric = muscle shortens under tension
Eccentric = muscle lengthens under tension

Question 6

Define an isometric contraction

Answer 6

When a muscle contracts without changing length

Question 7

What are the agonist and antagonist during the following movements:
Elbow flexion?
Ankle dorsiflexion?
Knee extension?
Hip abduction?
Shoulder adduction?

Answer 7

Agonist Antagonist
Elbow Biceps Triceps
flexion
Ankle Tibialis Gastrocnemius
dorsiflexion anterior
Knee Quadriceps Hamstrings
extension
Hip Gluteas Adductors
abduction minimus
Shoulder Latissimus Middle
adduction dorsi deltoid