muscular system #1
Having control over the action of a muscle
What is voluntary?
Very important muscle in rowing, swimming, and boxing
Latissimus dorsi
Located on the back of the thigh between the hip and knee
What is hamstrings?
The strong, tough, connective tissue cord that attaches muscles to bones
What is tendon?
Over 600
Muscle involved in most shoulder movements
Deltoid
The muscle on the buttocks that extends the thigh
What is gluteus maximus?
The muscle on the upper arm that extends the lower arm
What is triceps brachii?
Name the 3 layers of fascia in each individual skeletal muscle (from most external to most internal)
What is epimysium, perimysium, and endomysium
3 places involuntary muscles can be found?
What is stomach, gut, bladder, blood vessels, walls of the heart
Origin points of the sternocleidomastoid muscle
Upper portion of the sternum (manubrium) & clavicle
Adducts (brings together) your arm and is found on the front of the chest
What is Pectoralis major?
Origin: Lower 8 ribs
Insertion: Ilium
What is external oblique
Muscle are made up of bunch of ______ _____, which is made up of a bunch of _______ _______, which is made up of _______.
What is muscle fascicles, muscle fibers, myofibrils
The 4 large muscles on the front of the thigh (collectively known as)
What is quadriceps?
This allows plantar flexion of the foot and is found in the back of the leg
What is soleus?
The ability of a muscle to respond to a stimulus
What is contractility
The ability of a muscle to return to its original shape
What is elasticity?
Define origin and insertion
origin: point of attachment of a muscle that does not move over a joint
insertion: point of attachment of a muscle that does move over a joint
Flexes the elbow joint and works in conjunction with the triceps brachii
biceps brachii
The ability of a muscle to be stretched
What is extensibility?
Contractile proteins responsible for movement
Actin and myosin
Name all 24 muscles that you can be quizzed on tomorrow
1. Sternocleidomastoid
2. Trapezius
3. Pectoralis Major
4. Deltoids
5. Rectus Abdomius
6. External Obliques
7. Latissimus Dorsi
8. Erector Spinae
9. Biceps brachii
10. triceps brachii
11. Iliopsoas
12. Sartorius
13. Vastus Lateralis
14. Vastus Intermedius
15. Vastus Medialis
16. Rectus Femoris
17. Tibalis Anterior
18. Gluteus Maximus
19. Bicep Femoris
20. Semitendinosus
21. Semimembranosus
22. Gastrocnemius
23. Soleus
24. Diaphragm