Post on 04-Jan-2016
Biology 2121 Chapter 10
Introduction to Muscles Introduction to Muscles
Opposition Opposition
Agonists
Antagonists
Naming of Skeletal Muscles Naming of Skeletal Muscles
Fasicle Arrangement Fasicle Arrangement
Fasicle Arrangement Fasicle Arrangement Range of motion and PowerRange of motion and Power
Convergent and Multipennate
Parallel
Circular
Biceps-Fusiform
Bipennate
Bones and Muscles Bones and Muscles
Examples of Lever Systems
You Are Responsible for: You Are Responsible for:
All of the muscles listed on the next couple of pages. Origin and Insertions Action(s)
Identification or general description of any muscle you are responsible for in the lab. M/C questions Diagram identification
Origins and Insertions/Action(s)
Sternocleidomastoid; SternohyoidSternocleidomastoid; Sternohyoid
Neck
Abdominals
Trapezius and Latissimus Dorsi Trapezius and Latissimus Dorsi
Muscles of the Back
External Thorax – Upper arms; Shoulder
Shoulder Muscles
? ? ?
Upper Arms
Levator Ani and Coccygeus Levator Ani and Coccygeus
Pelvic Muscles
Upper Leg
Biceps Femoris Biceps Femoris
Hamstring Group
Long HeadLong Head Short HeadShort Head
Lower Leg