Biomechanics Final Dr. O

Front 1

The hip is an articulation between?

Back 1

Femur and acetabulum

Front 2

In anterior pelvic tilt position, the acetabulum is a more favorable position for the hip?

Back 2

Hyperextension

Front 3

When the legs are not free to move what action will result with hip flexion?

Back 3

Anterior pelvic tilt

Front 4

What makes up the pelvic girdle?

Back 4

Ischium, Ilium, Pubis

Front 5

What are examples of two joint muscles?

Back 5

Rectus Femoris and Pectineus

Front 6

What is the weakest point of the femur?

Back 6

Neck

Front 7

The contribution of the Rectus Femoris to hip flexion may be increased by...

Back 7

Flexing the knee

Front 8

To increase the contribution of the Gluteus Maximus while performing extension of the hip you should?

Back 8

Flex the knee

Front 9

True or False

Hamstring strains typically occur during eccentric phase of gait.

Back 9

True

Front 10

True or False

Hip fracture among the elderly greatly increases the risk of death?

Back 10

True

Front 11

What is the muscle action at the hip during prepatory phase for squat?

Back 11

Eccentric contraction of gluteus maximus

Front 12

What are the prime movers at the hip during the execution phase of a back squat?

Back 12

Hamstrings, Gluteus Maximus

Front 13

Action of the gracilis at the hip is?

Back 13

Flexion, internal rotation, and adduction

Front 14

What action is common to all the hamstring muscles and magnus?

Back 14

Extension at hip

Front 15

If you wanted to do a positional stretch for the semimembranosus?

Back 15

Extend knee, external rotation of hip

Front 16

During recovery phase of a Deadlift what muscles are involved?

Back 16

Hip Extensors

Front 17

What is the difference in the muscle movement at the hip if you change the knee form flexed raised to extended knee raise?

Back 17

Decrease contribution from rectus femoris

Front 18

What is the Sartorius?

Back 18

Knee Flexor and Hip Flexor

Front 19

When you kick a ball the gracilis neutralizes what unwanted movement produced by the anterior fibers of the gluteus medius?

Back 19

Abduction

Front 20

Ligaments attach ____ to ____

Back 20

Bone to bone

Front 21

Proximal attachment of muscle is termed ____

Back 21

Origin

Front 22

What is the definition of center of gravity?

Back 22

Intersection of all 3 planes

Front 23

When performing 10 reps full range of motion dumbbell curl is _____

Back 23

Dynamic Constant External Resistance

Front 24

Muscles always contract toward its ___

Back 24

Center

Front 25

What is a muscles that eliminates undesired muscle action?

Back 25

Neutralizer

Front 26

What are the mechanical advantages of parallel fibers?

Back 26

Range of Motion

Front 27

What type of muscle is directly involved in causing segment to move?

Back 27

Agonist

Front 28

During execution o pull-up which force exerted by the biceps brachii is greatest at the elbow?

Back 28

Dislocating Force

Front 29

What is a prime mover in the execution phase of a push up?

Back 29

Triceps

Front 30

What exercise will the biceps be most active?

Back 30

Pull up with supinated grip

Front 31

What is the best way to isolate the brahialis?

Back 31

Pronation

Front 32

Muscles on the anterior side of the arm produce flexion at _____

Back 32

Shoulder, Wrist and Elbow

Front 33

Pronation and supination of the forearm occur at the _____

Back 33

Proximal radioulnar joint

Front 34

Movements that occur as a result of an external force is _____

Back 34

Resisted by muscles and eccentric contraction

Front 35

During a bicep concentration curl the pronator teres is an ____

Back 35

Agonist

Front 36

Triceps contribution to extension at the elbow is _____

Back 36

Not affected by pronation or supination

Front 37

What are the active muscles at the elbow during the recovery phase of a narrow grip lat pull down?

Back 37

Biceps, Brachialis, Brachioradialis

Front 38

With resistance, starting at neural-pronators are the ____

Back 38

Pronator Teres and Pronator Quadratus

Front 39

How would you increase the contribution of the brachialis whiled doing a bicep curl?

Back 39

Flex the shoulder joint

Front 40

The relationship of force velocity is indirectly related during ____ and directly related during ____

Back 40

Concentric, Eccentric

Front 41

Kinesiology is concerned with ____

Back 41

Safety, Effectiveness, and Efficiency

Front 42

Muscle segment length is not a factor to

Back 42

Range of Motion

Front 43

Sagittal plane cuts into

Back 43

Right/Left halves

Front 44

Tennis forehand with no spin is ____ plane and ____ axis

Back 44

Horizontal, Vertical

Front 45

What type of muscle action happens when the muscle lengthens?

Back 45

Eccentric

Front 46

What is the function of stabilizers in muscle performance?

Back 46

Supports against pull of contracting muscles

Front 47

Which type of muscle contraction is employed by the elbow flexors when slowly lowering a backpack to the desk?

Back 47

Eccentric

Front 48

During the recovery phase of a bicep curl the triceps are ____

Back 48

Antagonist

Front 49

What type of strength training is related to muscle soreness?

Back 49

Eccentric

Front 50

When opposing force at a joint I greater than force by the muscle, ____ occurs.

Back 50

Eccentric contraction

Front 51

The RU is a ____ joint.

Back 51

Pivot

Front 52

What is the prime mover in the execution phase of a push up?

Back 52

Triceps

Front 53

What exercise is the bicep most active in?

Back 53

Supinated pull up

Front 54

The biceps brachii is most effective when the forearm is ____

Back 54

supinated

Front 55

The elbow is made up of ____ bones

Back 55

3

Front 56

Articulating ____ and ____ provide stability for the elbow.

Back 56

Bones and Ligaments

Front 57

When a muscle shortens at one joint, contribution ____ at the other joint.

Back 57

Decreases

Front 58

During a concentration cur the supinator and pronator of elbow is ?

Back 58

Brachialis

Front 59

____ and ____ are used for overhead triceps press.

Back 59

Triceps and Anconeus

Front 60

During the recovery phase of triceps pushdown the active muscles are ____ and ____.

Back 60

Triceps an Anconeus

Front 61

During a zotterman curl, what muscles are utilized?

Back 61

Pronato Teres, Pronator Quadratus, and Biceps

Front 62

Increased contribution of the medial head of the triceps brachii in movement of shoulder joint is ____

Back 62

No movement, only long head

Front 63

During concentric muscle action ____ force > ____ force.

Back 63

Internal, External

Front 64

Muscles unable to contract for full range of motion at two joints is _____

Back 64

Active Insufficiency

Front 65

Muscles unable to stretch for full range of motion at two joints is ____

Back 65

Passive insufficiency

Front 66

What are 3 major articulations of the shoulder joint?

Back 66

Glenohumeral, Coracoclavicular, and Acromioclavicular

Front 67

The biceps brachii is strongest and most effective in ____

Back 67

supination

Front 68

From pronated position, against resistance, the supinator of the RU joint is...

Back 68

Biceps Brachii, Brachioradialis, and Supinator

Front 69

Muscles on the anterior side of the arm produce flexion at ____

Back 69

Shoulder, Elbow, and Wrist

Front 70

During the recovery phase of a supine fly, the movement at the GH joint is _____

Back 70

Horizontal Extension

Front 71

While doing extension at the GH, the contribution of ____ decreases as the angle drops below 60 degrees.

Back 71

None. Sternal pectoralis is only muscle to consider

Front 72

Against resistance, during what action of the shoulder joint is there teres major most active?

Back 72

Extension

Front 73

True or False

Due to favorable angle of pull, the decline dumbbell press is able to increase recruitment of the sternal pectoralis.

Back 73

True

Front 74

During the recovery phase of a wide pronated lat pulldown what muscles are used?

Back 74

Lat Dorsi, Sternal Pectoralis, Triceps Long Head, Teres Major, Posterior Deltoid

Front 75

What exercise is less contribution for the sternal pectoralis?

Back 75

Seated Row

Front 76

How would you increase contribution of the brachialis while doing a bicep curl?

Back 76

Flex the GH joint

Front 77

When doing a dumbbell lateral raise, with arms slightly adducted in the transverse plane the contribution of the front delt is ____

Back 77

Increased

Front 78

Doing a neutral grip sated chest press instead of a wide one results in decrease contribution in the sternal pectoralis, flexing the elbow will ____ contribution of the triceps long head to extension at the GH joint.

Back 78

Increase

Front 79

The best movement to stretch the sternal pectoralis would to ____

Back 79

Flex, Horizontal abduction, external rotation, and abduction of GH joint

Front 80

During a dumbbell shoulder press in the frontal plane, which muscle acts as a neutralizer?

Back 80

Posterior Deltoid

Front 81

When performing 10 reps of full ROM during a bicep curl using tubing you are doing?

Back 81

Dynamic progressive external resisatnce

Front 82

Glenohumeral dislocation occurs in what position?

Back 82

Abduction and External Rotation

Front 83

Right handed and turning a doorknob counter clockwise, you would be _____ at the elbow joint.

Back 83

Nothing

Front 84

What joint has the most ROM?

Back 84

Glenohumeral

Front 85

What movement is performed during the execution phase of a frontal raise at the GH joint?

Back 85

Flexion

Front 86

During the execution phase of a narrow supinated lat pulldown what movement occurs at the GH joint?

Back 86

Extension

Front 87

The strengthen the Infraspinatus and Teres minor you should ____

Back 87

Externally rotate

Front 88

What movement does the Lat Dorsi act as a prime mover in?

Back 88

Extension of GH Joint

Front 89

What movement does the front deltoid produce?

Back 89

Flexion of GH joint

Front 90

What muscles are agonist during a wide support push up at the GH joint?

Back 90

Clavical Pectoralis, Sternal Pectoralis, Anterior Deltoid, and Biceps Brachii

Front 91

If you're losing to Dr. O in an arm wrestling match, what muscles would be active at the GH joint?

Back 91

Sternal Pectoralis, Lat Dorsi, Anterior Deltoid, Teres Major, Subcapularis

Front 92

If a two joint muscle is lengthened at one joint it is ____ at the second joint.

Back 92

Increased

Front 93

How do you increase contribution of the medial head of the triceps in producing movement at the GH joint?

Back 93

Medial head of triceps does not move at GH joint

Front 94

During a supine fly, the anterior deltoid neutralizes what movement by the sternal pectoralis?

Back 94

Extension of GH joint

Front 95

When doing a bent over fly the medial head of the triceps acts as a _____ at the elbow

Back 95

Stabilizer

Front 96

What is true about passive insufficiency?

Back 96

Muscles cannot be stretched through full ROM at 2 joints.

Front 97

During the execution phase of a pull up when is stabilizing force greatest at the elbow.

Back 97

Beginning of execution phase

Front 98

What scapula muscles perform as stabilizers during crutch walking?

Back 98

Depressors of shoulder girdle

Front 99

To increase contribution to the soleus in plantar flexion you should ____

Back 99

flex the knee

Front 100

The best position to stretch the gastrocnemius would be _____

Back 100

Knee extension and Ankle dorsiflexion

Front 101

A seated leg press decreases the contribution of the ____ in flexing the knee

Back 101

Sartorius and Gracilis

Front 102

During the preparatory phase, a drop jump will result in an eccentric contraction of the ____

Back 102

Knee extensor and Hip extensor

Front 103

What movements do all jumps involve?

Back 103

Plantar Flexion, Knee extension, Hip extension

Front 104

During the preparatory recovery phase of a horizontal leg press, which muscle is not undergoing an eccentric muscle action?

Back 104

Extensor Digitorum Longus

Front 105

Under normal circumstances rotation of the knee joint is only possible when the knee is in a ____ position

Back 105

Flexed

Front 106

The contribution of the Rectus Femoris to knee extension may be increased by

Back 106

Hip Extension

Front 107

To increase contribution of the biceps femoris while performing extension of the hip, you should ____

Back 107

Extend the knee

Front 108

What muscles are responsible for upward rotation of the scapula?

Back 108

Middle Trap, Lower Trap, and Serratus Anterior

Front 109

What exercise would be more of a contribution from the biceps brachii?

Back 109

Chin up (underhand grip)

Front 110

When you bow what muscles are active?

Back 110

Hip extension and Gluteus Maximus

Front 111

During abduction of the hip the TFL is an _____ mover and _____ the movement produced by the posterior fibers of the gluteus medius

Back 111

Active, Neutralizes

Front 112

What movements occur when doing a jump shot?

Back 112

RU- None

Elbow- Extension

GH- Flexion

SG- Up rotation, elevation and abduction

Hip- Extension

Knee-Extension

Ankle-Plantar Flexion

Front 113

When you contract your spinal column to the right then rotate left, which muscle is being used?

Back 113

External Obliques

Front 114

When you contract both sides of your spinal column and your back flexes, which muscle are you usig?

Back 114

Internal Obliques, Rectus Abdominals

Front 115

If you take your right elbow and put it to your left knee which makes you rotate to the right. What muscles are being used?

Back 115

Right External Obliques and Left internal obliques

Front 116

What muscle produce no movement and helps with breathing in the spinal column?

Back 116

Transversus Abdominis

Front 117

What are the flexors of the trunk?

Back 117

External and Internal obliques, rectus abdominus, scalenes, and sternocleidomastoid

Front 118

What are the extensors of the trunk?

Back 118

Splenius and erector spinae

Front 119

What are the lateral flexors of the trunk?

Back 119

External and internal obliques, rectus abdominus, splenius, levator scapulae, scalenes, sternocleidomastoid, and quadratus lumborum

Front 120

What are the rotators of the trunk?

Back 120

External and internal obliques, splenius, erector spinae, and sternocleidomastoid