Unit 3 Test: The Muscular System Flashcards
A tendon connects _________ to _________ and can be called an _____________ when it extends as a sheet-like covering of the muscle.
Bone; muscle; aponeurosis
Name the 3 types of muscle and give examples of each.
1) skeletal: movement of bones at joints; biceps brachii
2) smooth: walls of hollow viscera; blood vessels
3) cardiac: heart
What is the difference between the origin and the insertion of a skeletal muscle?
Origin= the end of the muscle that fastens to a fixed point Insertion= the end of the muscle that fastens to a movable point
Name the origin and insertion: trapezius
O: occipital bone, spine (T1-T12)
I: clavicle, scapula
Name the origin and insertion: pectoralis major
O: clavicle, sternum, upper ribs
I: humerus
Name the origin and insertion: deltoid
O: clavicle, scapula
I: humerus
Name the origin and insertion: biceps brachii
O: scapula
I: radius
Name the origin and insertion: triceps brachii
O: scapula and humerus
I: ulna
Name the origin and insertion: gluteus Maximus
O: sacrum, coccyx, ileum
I: femur
Name the origin and insertion: biceps femoris
O: ischium, femur
I: tibia and fibula
Name the origin and insertion: rectus femoris
O: ileum, acetabulum
I: patella
Name the origin and insertion: gastrocnemius
O: femur
I: calcaneus
Name the 3 muscles of the hamstring group.
1) biceps femoris
2) semitendinosus
3) semimembranosus
Name the 4 muscles of the quadriceps group.
1) rectus femoris
2) vastus lateralis
3) vastus intermedius
4) vastus medialis
Myosin
Thick filament
