ch 9 & 10
Terms
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- Muscles can only ____ they do not ____.
- Pull, Push
- What is an agonist?
- a muscle which contracts to produce a given action.
- What is an antagonist?
- the muscle which contracts to produce the opposite action.
- Name the 3 types of muscles.
- Cardiac, smooth, and strained.
- Explain the role in stretch reflex.
- When a muscle is stretched, there is a reflexive contraction of the muscle following the stretch.
- explain the strethc reflex.
- It is a protective mechanism that can prevent overmovement of a joint. But it is also a major block to achieving flexibility.
- Explain the Golgi response
- senstive to pressure caused by pull on the tendon.
- Stronger muscles are more____ than weaker muscles.
- Compact
- muscles can always be_________.
- Changed
- Range of motion in space is determined by________.
- Space
- What is Dynamic Strength?
- Coordination and muscular stregnth combined.
- Muscles can only ___; they do not___
- Pull, push
- Muscles ___ in the center and pull equally on both ends.
- contract
- The action of a muscle on a joint will be determined by the attachments and the___of the muscle
- Path
- Muscles must oppose gravity to produce movement or____ a postition.
- Maintain
- Three types of contraction are possible in opposing gravity.
- Shrotening, static, Lengthening.
- Explain the shortening contraction.
- Force greater than restance
- Explain The Static contraction
- Force equal to the resistance
- Explain the lengthening contraction
- Force less than the restance.
- anterior muscles_____ the neck.
- Flex
- Posterior muscles ____/___
- extend/hyperextend
- Lateral muscles _____ flex
- Laterally
- Give an example of Irene dowds trunk stabalization.
- Crazy fish, supine, sphinx
- What happens in the last 2/3 of a sit up?
- Hip flexors take over
- anterior muscles ____ the knee
- extend
- Posterior muscles___ the knee
- Flex
- Rotary action depends on the line of ___ between attachments.
- Pull
- The knee is the most____ joint
- Complex
- The knee is protected when muscle and ____ is balanced.
- Flexibility
- which muscles protect which ligaments?
- anterior protect the posterior cruciate ligaments, lateral protects lateral & medial w/ medial
- Anterior muscles ___ the hip
- flex
- Posterior muscles______ the hip
- extend
- Superior muscles ____
- abduct
- inferior muscles ____
- adduct
- Rotation is more _______
- complex
- What does the Iliofemoral ligament do (y ligament)
- Restricts movement to rear and inward rotation
- when the knee is bent the ___ & -____ ___ are working
- Sartorius and rectus femoris
- When the knee extends the ___ and____ take over
- Psoas, Iliacus
- what is PNF?
- Perception of momvement nerve to muscles made easier aka proprioceptive neuromuscular facilitation.