ELBOW JOINT FLEXORS - ELBOW COMPLEX BIOMECHANICS (Physiotherapy Tutorials)
diagram credits/reference: Cynthia Norkin's
BRACHIORADIALIS PICTURE : samarpanphysioclinic
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Reference book for this video: Cynthia Norkin
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summary of the video with the time for reference:
1) Brachialis
- large PCSA
-single joint muscle
active in all elbow positions and not affected by shoulder and wrist
-M.A. highest at 100 degrees
2)Biceps Brachii
-largest volume and small PCSA
-multi-joint muscle
-active in certain elbow positions and affected by shoulder and wrist
-M.A. highest at 80-100 degrees
- Causes supination at the elbow joint.
3)Brachioradialis
- small PCSA
-single joint muscle
active when the elbow is in prone or mid-prone position
-M.A. highest at 100-120 degrees
4)Secondary flexors
-flexor carpi ulnaris
flexor carpi radialis
flexor digitorum superficialis
palmaris longus
supinator teres
pronator teres
#elbowjointbiomechanics #elbowjointcomplex #movementscience
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