Muscles Flashcards

(44 cards)

1
Q

Smooth(Visceral) muscle tissue

A

Involuntary motion
Located in walls of internal organs
Function is to move and control the flow of fluids

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2
Q

Cardiac muscle tissue (myocardium)

A

Involuntary control
Forms the muscular wall of the heart
The contraction& relaxation of this muscle creates heartbeat

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3
Q

Skeletal muscle tissue

A

Voluntary control
Attach to the bones of the skeleton and make body movement possible
Each muscle is wrapped on the fascia forming at the end. tendons insert on the periosteum of the bone.

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4
Q

Tendon

A

Cordlike extension of connective tissue beyond the muscle, serving to attach to bone

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5
Q

Fiber

A

A muscle cell with nerves and blood supply

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6
Q

Sarcomere

A

Producing contraction unit of muscle

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7
Q

Adhesion

A

Scar tissues that forms around the muscles that makes it difficult to strengthen the muscle

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8
Q

Atrophy

A

Poor muscle development, muscle disease or lack of use

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9
Q

Hypertrophy

A

Increase in muscle bulk as a result from lifting weights

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10
Q

Spasm

A

Sudden involuntary movements, isn’t painful

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11
Q

Cramp

A

A strong muscle contraction that is painful

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12
Q

2 thing that gets rid of cramps

A

Mustard and pickle juice

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13
Q

Fibromyalgia

A

Condition with widespread aching and pain in muscles and soft tissues

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14
Q

Lateral epicondylitis(tennis elbow)

A

Inflammation of the muscle attached to the lateral epicondyle in the elbow

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15
Q

Medial epicondylitis(golfers&little leaguers elbow)

A

Inflammation of the muscle attachments to the medial epicondyle in the elbow

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16
Q

Muscular dystrophy

A

Inherited disease causing progressive muscle degeneration

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17
Q

Carpal tunnel syndrome (gamers)

A

Repetitive motion disorder with pains caused by the compression on the nerves as they pass through the wrist

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18
Q

Ganglion cysts

A

Cysts that form on the tendon sheath

19
Q

Strain

A

Damage to the muscle, tendons and due to over use or overstreaching

20
Q

Sprain

A

Damage to a ligament

21
Q

Hypertrophic cardiomyopathy

A

Is abnormal thickening if the heart muscle that causes heart problems or heart attacks

22
Q

Excitation contraction coupling(1)

A

Action potential occurs and the signals sent through the sarcolemma into the T-tubes

23
Q

Excitation contraction (2)

A

The action potential triggers calcium(Ca2+) release

24
Q

Excitation contraction (3)

A

Calcium binds to troponin and moves tropomyosin in order to expose the
binding site.

25
Excitation contraction (4)
The myosin head attaches to the actin and pulls the actin towards the middle of the sarcomere, causing a contraction. (fueled by ATP)
26
Excitation contraction (5)
Calcium is released, the myosin head detaches from the actin, & tropomyosin covers the binding site.
27
Excitation contraction (6)
Muscle relaxes
28
Dorsiflexsion
Pointing toes up (heel down, toes up)
29
Plantar flextion
Tippy toes
30
Quads(4)
Rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
31
Quads
Knee extension, hip flextion
32
Hamstrings(3)
Bicep femoris, semitendinosis, semimembranosis
33
Hamstrings
Knee flexion, hip extension
34
Satorius
Hip flexion, laterally rotates, external rotation
35
Adductor magnus
Hip adduction
36
Gastrocnemius
Plantarflexion
37
Tibialis anterior
Dorsiflextion and eversion
38
Upper traps
Shoulder elevation
39
Pectoralis major
Shoulder flextion and adduction
40
Triceps brachii
Elbow and shoulder extension
41
Biceps brachii
Elbow and Shoulder flexion, supination
42
Deltoid(3)
Anterior, middle, posterior
43
Deltoid
Shoulder abduction and rotation
44
Abdominal
Trunk flexion and compress abdomen