Skeletal muscles work in pairs
[PDF File]Lect11 Muscle NVC Bio105 Fa16
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Skeletal Muscles Work in Pairs Figure 6.1a (a) Flexion The relaxed triceps is stretched. The biceps contracts and pulls the forearm up, flexing the arm. Origin of muscle: attachment of muscle to less moveable bone Insertion of muscle: attachment of muscle to more moveable bone
[PDF File]Why do muscles work in pairs
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Why do muscles work in pairs Learning Objectives Compare and contrast agonist and antagonist muscles Describe how fascicles are arranged within a skeletal muscle Explain the major events of a skeletal muscle contraction within a muscle in generating force To move the skeleton, the tension created by the contraction of the fibers in most skeletal muscles is transferred to the
[PDF File]The Muscular System
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Skeletal Muscles Work in Pairs Figure 6.1a (a) Flexion The relaxed triceps is stretched. The biceps contracts and pulls the forearm up, flexing the arm. Origin of muscle: attachment of muscle to less moveable bone Insertion of muscle: attachment of muscle to more moveable bone
[PDF File]Bones, Muscles, and Skin The Muscular System
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muscle cells can only contract, not extend, skeletal muscles must work in pairs. While one muscle contracts, the other muscle in the pair relaxes to its original length. For example, in order to move the lower arm, the biceps muscle on the front of the upper arm contracts to bend the elbow. This lifts
[PDF File]PH Health Chapter 11.qxd 3/3/06 8:50 PM Page 272 Section 2 ...
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Figure 6,many skeletal muscles work in pairs.One muscle in the pair con-tracts to move the bone in one direction. Then, the other muscle in the pair contracts to move the bone back. Muscle Tone Even when a skeletal muscle is not contracting to cause movement,a few of its individual muscle fibers are still contracting.These
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