Mechanics of Movement I Joints

Mechanics of Movement I Joints - Frolich, Human Anatomy,...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Frolich, Human Anatomy, Mechanics of Movement MECHANICS OF MOVEMENT Tissues and Structures Involved Muscle Nerve Bone Cartilage What are Tendons? Role of Joints Mechanics of Joints Making it all work Frolich, Human Anatomy, Mechanics of Movement Nerve and Muscle--the Motor Unit Motor neurons review Ventral horn spinal cord Ventral root to spinal nerve to dorsal or ventral ramus Nerve is bundle mixed neurons One motor neuron synapes with several muscle cells Motor Unit is one motor neuron plus the muscle cells it synapses “Action potential”-- controlled conduction of electrical messages in neurons and muscle by depolarization of cell membrane Fig. 14.6, M&M Frolich, Human Anatomy, Mechanics of Movement Neuro-Muscular Junction Action potential in nerves triggers chemical release at synapse which triggers action potential in muscle Fig. 14.5, M&M Frolich, Human Anatomy, Mechanics of Movement See also photo in Fig. 10.2 from M&M to see capillaries around muscle cells Frolich, Human Anatomy, Mechanics of Movement Bone and Cartilage Bone as tissue Bones as structures formed from bone, cartilage and other tissues Location of cartilage in skeleton and relation to joints Fig. 6.1, M&M Frolich, Human Anatomy, Mechanics of Movement HOW MOVEMENT HAPPENS: Muscles Pull on Tendons to Move Bones at Connections called Joints or Articulations Frolich, Human Anatomy,...
View Full Document

This note was uploaded on 12/28/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

Page1 / 29

Mechanics of Movement I Joints - Frolich, Human Anatomy,...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online