-
Muscle tissue that is involuntary
- cardiac muscle
- smooth muscle
-
Muscle tissue that consists of single very long, cylindrical multinucleate cells with very obvious striations is
skeletal muscle
-
what connective tissue surrounds an individual muscle cell
endomysium
-
What are the 4 functions of the muscular system?
- maintaining posture
- generates heat
- movement
- stabalizing joints
-
What is composed of myosin?
thick filaments
-
What is the order of a fasicle from largest to smallest
fascicle, fiber, myofibril, myofilament
-
*The mechanical force of contraction is generated by...
sliding of thin filaments past thick ones
-
the striations of a skeletal muscle cell are produced for the most part by
the arrangement of myofilaments
-
the insertion of the gluteus maximus is the
femur
-
to produce horizontal wrinkles in the forehead, which of the following muscles is involved
the frontalis
-
What muscle is involved in crossing one leg over the other while in a sitting position
the sartorius
-
What compresses the abdomen?
- external oblique
- rectus abdominis
- latissimus dorsi
- internal oblique
-
*A muscle located on the dorsal side of the body is the
rectus abdominus
-
a muscle group that works with and assists the action of a prime mover is a
synergist
-
in flexing the forearm, at the elbow, the
triceps brachii acts as an antagonist
-
*Which of the following is the action of the orbicularis oris?
closes, purses, and protrudes the lips
-
*Paralysis of what would make an individual unable to flex the thigh
iliopsoas and recus femoris
-
*Which muscle is involved in abduction?
triceps branchii
-
*Wchich muscle flexes the thigh on the hip
peroneus muscles
-
While doing jumping jacks during an exercise class your arms and legs move away from the midline of your body. this is
abduction
-
only ____ muscles are multinucleated
skeletal
-
only _______ muscle cells branch
cardiac
-
muscle is often attached to bone by strong cordlike structures called
tendons
-
the end of the muscle that moves when a muscle contracts is called the
Insertion
-
The movement that is commonly seen in a ball and socket joint is
rotation
-
*The ___ is a powerful forearm extendor
idk
-
*the ____ runs deep to the external oblique
idk
|
|