Session 12 (muscle contractions)
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- 1. Session 12 Anatomy & Physiology For Sport Muscular Contractions
2. Session Aim/Objectives
- Bythe end of this learning outcome you will
- successfully achieve your target grade in the muscular section of
- the assignment
- By the end of the session you will be able to:
- Identify the bones, joints and antagonistic muscle pairings of simple sports exercises
- 2. Explainthe termseccentric, concentric andisometric muscular contractions
- 3. Identifying the type of muscular contractions occurring in simple sports exercises
3. Recap tasks
- Gapped Handout
- List pairs without any notes or prompts
- Yesterdays handout Agonist/Antagonist
4. Gapped Handout
- Pls / L.s .i
- ..r dds /r d..ds
- Trz..s / De.s
- Er.. Spin.. / R..t.s abs
- Right e...l ob..es / Left el ob..es
- Hgs / Q..ps
- Gas..us / Ti.s anterior
- T.s / s
5. Gapped Handout Answers
- Pectorals / Latissimuss Dorsi
- Anterior deltoids / Posterior deltoids
- Trapezius / Deltoids
- Erector spinae / Rectus abdominus
- Right external obliques / Left external obliques
- Hamstrings / Quadriceps
- Gastrocnemius / Tibialis anterior
- Triceps / Biceps
6. Agonist or Prime Mover (Biceps contract)
- Themuscle doing the work (contracting) and creating themovement is called theagonistorprime mover.
Antagonist (Triceps relax)
- The muscle which is relaxing and letting the movement take place is called theantagonist.
7. Task 1
- Move around the room to analyse 3 exercises
- Complete the blank movement tableon the flip chartpaper.
- Each member of the group using one colour pen to insert their answers
- 10 minutes allowed
8. Muscle Contraction
- Isotonic or concentric contraction
- Muscle length shortens during contraction
9. Muscle Contraction
- Eccentric contraction
- Muscle lengthens under tension
10. Muscle Contraction
- Muscle length stays the same during contraction
- Example holding a press up position
11. 12. Task 2
- Pairs decide on and write out a definition forthe 3 types of contraction:-
- 3.Isometric contractions
- Extension task -Look at the diagrams below what type ofcontractions is occurring on the agonist and antagonists.?
- Press up
- (upward phase -Upper arms)Sit up(Upward Phase - Stomach)
13. Task 3
- Using the movement tables you started in task 1
- Add the type of contractions in the agonists and antagonistsfor each skill
- What sports skills require isometric muscular contractions?
- Objectives achieved?
- Can you:
- 1.Identify the bones, joints and antagonistic muscle pairings of simple sports exercises?
- 2.Explain the termseccentric, concentric andisometric muscular contractions?
- 3.Identify the type of muscular contractions occurring in simple sports exercises?
- Next Session the effects of exercise on the muscular system