Applied anatomy Ch. 8

Posture can be defined as?

Alignment of the spine and neck

Static posture of body parts

The alignment, or position of the body and its parts

Quasi-static can be best described as?

Forces or displacements which vary slowly with time

Displacement forces that a constant

Forces or displacements which a constant and in a specific time

Displacement of forces which vary significantly with time

At mid stance in the gait cycle, which of the following muscle options eccentrically controls tibial advancement over the foot?

Gastroc

Tibialis anterior

Extensor digitorum longus

Plantar flexors

At terminal stance of the gait cycle, which of the following muscle options concentrically assist with push-off

Dorsi flexors

Soleus

Plantar flexors

None of above

In the gait cycle, what muscle concentrically contracts at initial swing and mid swing

Dorsi flexion

Tibialis posterior

Soleus

Plantar flexion

In the following options, which is NOT a component of a preferred sitting posture

Slightly incline seat back

Anterior pelvic tilt

Shoulders back

Chest out

In the gait cycle, what muscle eccentrically controls plantar flexors

Dorsi flexion

Gastoc

Tibialis posterior

Hip flexors

In the gait cycle, in the late & terminal swing what muscle does the hamstring eccentrically control?

Dorsi flexor

Plantar flexors

Hamstring

What is the difference between reactive and anticipatory postural control?

Both are sudden

Reactive is sudden and antipatory is preparing for impact

None of the above

Reactive is grabbing on to something as you fall and anticipatory is grabbing after impact

True or falce. Locomotion is getting from one place to another

True

False

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Applied anatomy Ch. 8

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