Muscular System Flashcards
1
Q
What are the 8 main upper body muscles
A
- Deltoids
- Pectorals
- Biceps
4 triceps - Abdominals
- Trapezius
- Rotator cuff
8.latissimus dorsi
2
Q
What are the 6 main lower body muscles
A
- Hip flexors
- Quadriceps
- Gluteus maximus
- Hamstrings
- Tibialis anterior
- Gastrocnemius
3
Q
Define antagonist muscle pairs
A
When 1 muscle contracts and 1 muscle shortens
4
Q
Define antagonist muscle
A
The muscle that relaxes while the agonist contracts
5
Q
Define agonist muscle
A
The muscle that contracts to cause movement while the antagonist relaxes
6
Q
Define isotonic contractions
A
A muscle contraction that results in movement
7
Q
Define concentric
A
A muscle that shortens when contracting (flexion)
8
Q
Define eccentric
A
A muscle that lengthens when contracting ( extension)
9
Q
Define isometric
A
A muscle that contracts but no movement occurs
