Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biomechanics > Biomechanics > Flashcards

Biomechanics Flashcards

1
Q

If a muscle fails to overcome and opposing force what will it do

A

Shorten

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the order of muscle contraction during a stretch shortening cycle

A

Eccentric, isometric, concentric

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

In the phase of the up in the push up the elbow joint extends how does the tricep react

A

Concentrically

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

If the agonist muscle contracts in a movement what will it be

A

Concentric contraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are fixators

A

Muscles which contract to study the position of a bone

Ie. Fix it to a bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Why do antagonist muscles contract

A

To control movement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

When doing an upwards jump the contraction of the gastrognemius causes what of the ankle

A

Plantarflex is the ankle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does Lombards paradox mean

A

The cocontraction of the hamstrings and quadriceps

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

During a pull up the lattisimus Dorsi helps produce what shoulder movement

A

Extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does musculoskeletal analysis take into account

A

Gravity, body position, external resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does Adduction mean

A

Towards the anatomical position in the frontal plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In a vertical jump what does the Knee do

A

Flex and extend

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If the muscle produces a force equal to opposing forces what does it do

A

Stay the same length

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What type of contraction of the skeletal muscle contraction

A

Internal Force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What are muscles assist primary movers called

A

Synergists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

When landing from a jump why does the gastrocnemius contract

A

Contracts the dorsiflexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the angle at the knee at the local joint

A

180°

18
Q

There are two segment to find the knee angle what are they

A

The shank and thigh

19
Q

If there has been a reduction in the knee angle at the local joint reference what has taken place

A

Flexion

20
Q

What are the two aims of biomechanics

A

Reducing injury and enhancing performance

21
Q

At instantaneous velocity the time interval should be

A

Very small

22
Q

What is step length measured and

A

M

23
Q

What is step frequency measured in

A

Hz

24
Q

How do you reduce the peak vertical ground reaction

A

Increased the knee flexion when landing

25
Q

In terms of force mass and acceleration what is Newton’s second law

A

F=ma

26
Q

What increases the chance of injury risk

A

Magnitude of force, rate of force, duration of force, Frequency of force

27
Q

What does into individual analysis mean

A

Variations between athletes

28
Q

What is in between quantitated and qualitative

A

Semi quantitive

29
Q

What is the first level of analysis

A

Description

30
Q

What is the referencing system used in motion

A

Cartesian

31
Q

What does an RS foot scan measure

A

Plantar pressure

32
Q

What is the formula for power

A

Force x velocity

33
Q

What does the Opto jump measure

A

Ground contact time, step length, step frequency, flight time

34
Q

What is the standard sampling rate

A

50 HZ

35
Q

Who is more likely to get an ACL injury males or females

A

Females

36
Q

What are pain receptors

A

Nociceptors

37
Q

Which nervous system increases the heart rate

A

Auto gnomic and parasympathetic

38
Q

What does the Golgi tendon organ provide

A

The central nervous system with the amount of muscle contraction

39
Q

Where does the knee reflex take place

A

Spinal cord

40
Q

Where does the sudden stretch response come from

A

Muscle spindles

41
Q

What affected the force of muscle contractions

A

Number fibres,size of fibres, frequency, degree of stretch

42
Q

When is the maximum lunch detention achieved

A

Resting length of muscle fibre

Biomechanics (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions