Muscles
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each of the black spaces below before clicking
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| FASCILE PATTERNS | REFLECTS MUSCLE ACTION
DETERMINES RANGE OF MOTION & POWER
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| PARALLEL | FASCILE PARALLEL TO MUSCLE
FIBER EXTENDS FROM ORIGIN TO INSERTION
STRAP -STERNOCLEIDOMASTIOD
FUSIFORM W/ BELLY- BICEPS BRACHII
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| CONVERGENT | TRIANGULAR, FAN SHAPED, FIBERS EXTENDS LENGTH OF MUSCLE
BROAD ORGIN - FASCICILE CONVERGE TO INSERTION
PECTORALIS MAJOR
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| PENNATE | SHORT, OBLIQUELY ATTACHED FIBER, TENDON EXTENDS LENGTH OF MUSCLE
UNIPENNATE- ATTACH TO 1 SIDE OF TENDON: EG: FLEXOR POLLICIS
BIPENNATE - ATTACH TO BOTH SIDES OF TENDON, RECTUS FEMORIS
MULTIPENNATE- SEVERAL BIPINATES INSERT INTO 1 TENDON, DELTOI
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| CIRCULAR | FASCICLES ARRANGED IN RINGS, SPHINCTER
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| HIGHEST TO LOWEST IN MUSCLE | 1. ENTIRE MUCLE
2. FASCICLE
3. MUSCLE CELLS (MUSCLE FIBER, MYOFIBER)
4. MYOFIBRILS- GROUPS OF THIN & THICK MYOFILATMENTS
5. THIN & THICK MYOFILAMENTS
6. SARCORMERE - SMALLEST CONTRACTING UNITS
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| HOW THE SARCOMERE CONTRACT | THIN FILAMENTS PULLED PAST THICK TO CENTER OF SARCOMERE
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| A BAND | THIN AND THICK OVER LAP
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| I BAND | THIN ONLY AND Z LINE
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| M LINE | ANCHORS THICK
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| H ZONE | BTW END OF THIN WHEN RELAXED
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| TITINS | CONNECTS THICK TO Z LINE
ALLOWS SARCOMERES TO RETURN TO RESTING LENGH WHEN CONTRACTING ENDS
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| MUSCLE FUNCTIONS | 1. MOVEMENT
2. MAINTAINS POSTURE
3. JOINT STABILITY
4. HEAT PRODUCTION - 85 %
CHEM ENERGY - MECH ENERGY
ATP -CONTRACTION
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| CHARACTERISTIC OF MUSCLE | EXCITABILITY - RECEIVE RESPOND TO STIMULI - NEURON/MUSCLE CELL
2. CONTRACTABILITY - SHORTEN WHEN STIMULATED
3. EXTENSIBILITY - EXTENDS PAST RESTING LENGHT
4. ELASTICITY - RETURN RESTING LENGHT
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