MUSCLE PROPERTIES Irritability - stimulation Conductivity - wave

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Presentation transcript:

MUSCLE PROPERTIES Irritability - stimulation Conductivity - wave Contractility - tension Distensibility - stretching Elasticity - recoil ability

QUALITIES OF MUSCLES - ROM - tension - Fv - repeated/sustained

Skeletal Muscle Anatomy Two Attachements Origin Insertion

FIBER ARRANGEMENTS Fusiform - longitudinal Pennate - oblique angle

L.A.N. Location Angle Number

MUSCLE & ARTICULATION Uniarticulate Biarticulate e.g knee & hip joints (hams,quads) Multiarticulate e.g. elbow / radioulnar / wrist / hand joints (flexor digitorum profundus)

ACTIVE INSUFFICIENCY Biarticulate Muscle Contraction Limitation

PASSIVE INSUFFICIENCY Biarticulate Muscle Stretching Limitation

page 57 FIG 2.3 ACTIVE INSUFFICIENCY - Left Hamstrings PASSIVE INSUFFICIENCY - Right Hamstrings

RECIPROCAL INNERVATION Agonist Antagonist

MUSCULAR TENSION TYPES Static - isometric Dynamic Concentric Eccentric

SYNERGY Working Together - two agonists work together to move segment True - agonist moves, antagonist stabilizes Helping - both agonist & antagonist work together to move segment

Question 15 - page 60 Articulation/joint Motion name Motive Force Resistive Force Contraction Type Stabilized Area

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