Muscles Flashcards

0
Q

Large muscle of the back that helps move, rotate, and stabilize the scapula that stretches down to the lower thoracic vertebrae

A

Trapezius

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1
Q

Side shoulder muscle

A

Lateral deltoid

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2
Q

Front shoulder muscle

A

Anterior deltoid

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3
Q

Rear shoulder muscle

A

Posterior deltoid

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4
Q

The central tendon between the rectus abdominals

A

Linea alba

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5
Q

Unipennate muscle

A

The muscle fibers insert into one side of the tendon. Can produce great force during contraction.

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6
Q

Bipennate muscle

A

The muscle fibers insert obliquely into both sides of the tendon. Can produce great force during contraction.

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7
Q

Multipennate muscle

A

Converges to several tendons. Example: deltoid.

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8
Q

Longitudinal muscle

A

Long, strap-like fibers. Relatively week compared to other muscles. Ex: sartorius

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9
Q

Adductor

A

Inner thighs

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10
Q

Abductor

A

Outer part of hip/glute

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11
Q

Calf muscle

A

Gastrocnemius

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12
Q

Type I muscle fibers

A

Slow oxidative

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13
Q

Type IIa muscle fibers

A

Oxidative glycolytic fibers

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14
Q

Type IIx muscle fibers

A

Fast glycolytic

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15
Q

Hamstring muscles

A

Biceps femoris, semitendinosus, and semimembranosus

16
Q

Number of muscles in the body

A

Approx 640

17
Q

PNF

A

Proprioceptive neuromuscular facilitation: statically stretching a muscle after maximally contracting it against resistance (done with a partner)

18
Q

Intercostal muscles

A

Muscles in between the ribs

19
Q

Soleus

A

Calf muscle under the gastrocnemius, inserts into the Achilles’ tendon

20
Q

Erector spinae

A

Iliocostalis, longissimus, spinalis

21
Q

Vastus medialis

A

Part of the quads; located medically in the thigh and extends to the knee

22
Q

Rotator cuff muscles

A

SITS: supraspinatus, infraspinatus, there’s minor and subscapularis

23
Q

The IT band is basically a long tendon for which muscle?

A

Tensor Fascia Latae (outside the hip, helps you flex, abduct, and rotate the hip)

24
Q

IT band syndrome

A

Can be called by TFL function. Pain in the outer knee; if the hip abductors aren’t working properly (like glute medius), TFL becomes overworked

25
Q

Proprioceptors

A

Golgi tendon organ (causes relaxation through autogenic inhibition) and muscle spindles (causes contraction through reciprocal inhibition)

26
Q

Two types of vitamin a

A

Retinol and beta-carotene