Muscle A&P Chaper 10

Gernerally as a muscle shortens its _____ attcahment on the moveable bone) moves toward its ______ (its fixed point of attachment.

A muscle provides the major force for producing a specific movement is a ______ ______ or agonist.

Muscles that oppose, or reverse a particular movement are called ______. When a prime mover is active the antagonist muscles are often stretched and may be relaxed.

When synergists immobilize a bone, or a muscles origin, they are more specifically called

Skeletal muscles are names according to a number of criteria

Terms such as maximus (largest), minimus (smallest), longus (long), brevis (short) , are often used in muscle names.

In muscles with the term "rectus" straigt in their names, the fibers run parallel to the axis. where as the terms transversus and oblique indicate that the muscle fibers run at right angles.

When biceps, triceps, or quadriceps forms part of a muscles name you can assume that the muscle as 2, 3, or 4 orgins.

Muscle has a broad origin, and its fascocles converge toward a single tendon of insertion

A rigid bar that moves on a fixed point

When force is applied to a lever

Muscle contraction provides the effrt which is applied at the muscles insertion point on a bone

Power Lever

Effort is applied between the load and the fulcrum ex* Biceps of the arm

Closes, Purses, and protrudes lips. Kissing and whistling muscle.