Soc 14-The Muscular System Flashcards
Where is gluteals located and its function?
In the middle of the body at the back, forming the bottom.
Adduct and extend the leg at the hips, pull the leg backwards.
Where is the hamstring located and its function?
At the top of each leg at the back.
Flex the legs at the knees.
Where is the gastrocnemius located and its function?
At the bottom of each leg at the back. Also known as the calf muscles.
Point the toes (planta-flexion) at the ankle.
Where is the latissimus dorsi located and its function?
At the back of the body, either side of
the chest.
Pull your arms down at the shoulders and behind your back (adduct and extend).
Where is the tricep located and its function?
At the top of each arm at the back.
Extend the arm at the elbow.
Where is the deltois located and its function?
In the upper part of the body, covering the shoulders.
Raise the arms in all directions at the shoulders.
Where is the bicep located and its function?
At the top of each arm at the front.
Flex the arm at the elbows.
Where is the quadricep located and its function?
At the top of each leg at the front.
Extend the leg at the knee.
Where is the pectoral major located and its function?
In the upper part of the chest at the front.
Adduct the arm at the shoulder.
Where is the external oblique located and its function?
To the side of the abdomen.
Pull the chest downwards. Flex and rotate the spinal column
Where is the tibialis anterior located and its function?
Runs down the shin.
Pull the toes up towards the shin (dorsi-flexion).
Where is the hip flexors located?
Sit deep in the front of the hip and connect the leg .
Flex the hip, help the leg and knee up towards the body.
What are the 4 antagonistic pairs?
- triceps and biceps
- Gluteals and Hip Flexors
-Tibialis Anterior and Gastrocnemius
-Hamstrings and quadriceps
Definition of Antagonistic pairs?
Definition: Muscles that work together to create a movement.
Difference between agonist and antagonist?
When one muscle contracts = (agonist) the other relaxes = (antagonist) to allow the joint to work.
