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Exercises
Exercises
Sissy Squats
Evidence-grounded — sourced from Fysiqal's fitness knowledge graph· 1 min read
quadricepsisolationbodyweightlower-body
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In one line
Body-weight knee-dominant squat that works all four quadriceps; placed in the "stretch" position of the Positions-of-Flexion quad chart.
Detail
The sissy squat works all 4 quadriceps. The source notes it in the context of quadriceps training (rectus femoris, medialis). It appears as an advanced/free-weight quadriceps selection and occupies the "stretch" position of the Positions-of-Flexion chart for quadriceps.
Key facts
- Primary Muscles: All 4 Quadriceps.
- "Stretch" position in the Positions-of-Flexion quad chart.
Connections
- quadriceps — all four quads.
- rectus-femoris — quad / hip flexor.
SourceReference manual
p.32p.104p.492p.672
Cited authorities in source: none specified for this entry.
Educational content only — not medical advice. Always consult a qualified professional for individualized guidance, especially around injury, pregnancy, or medical conditions.
Explore related topics
Atlas Connections
Knee Joint Range of Motion
The knee is a hinge joint: extension 90°, flexion 120° (hamstring knee-flexion ROM stated as 125°).Quadriceps
The four knee extensors — rectus femoris, vastus medialis, vastus lateralis, vastus intermedius (rectus femoris also flexes the hip); knee ROM 90°.Rectus Femoris
A 2-joint quadriceps muscle that flexes the hip and extends the knee.Intensity
The amount of weight (resistance) lifted — also shaped by speed, reps, sets, rest interval, and workout duration.Deep Knee Bend / Lunge / Squat — Contraindicated Stretch
Deep knee bends, lunges, and squats (with or without weights) endanger the knee's lateral ligaments, compress the kneecap, and damage cartilage — marked "X".